You can check if a PO file is valid with the following command:

        msgfmt -c -o /dev/null <po file>
      

The following errors were found in odoo 's PO files:

gettext: addons/account/i18n/es_419.po: can't guess language
gettext: addons/account/i18n/ro.po:12714: 'msgid' and 'msgstr' entries do not both end with '\n'
msgfmt: found 1 fatal error
gettext: addons/account_check_printing/i18n/es_419.po: can't guess language
gettext: addons/account_debit_note/i18n/es_419.po: can't guess language
gettext: addons/account_edi/i18n/es_419.po: can't guess language
gettext: addons/account_edi_proxy_client/i18n/es_419.po: can't guess language
gettext: addons/account_edi_ubl_cii/i18n/es_419.po: can't guess language
gettext: addons/account_edi_ubl_cii_tax_extension/i18n/es_419.po: can't guess language
gettext: addons/account_fleet/i18n/es_419.po: can't guess language
gettext: addons/account_payment/i18n/es_419.po: can't guess language
gettext: addons/account_payment/i18n/ro.po:217: 'msgid' and 'msgstr' entries do not both end with '\n'
msgfmt: found 1 fatal error
gettext: addons/account_peppol/i18n/es_419.po: can't guess language
gettext: addons/account_qr_code_emv/i18n/es_419.po: can't guess language
gettext: addons/account_qr_code_sepa/i18n/es_419.po: can't guess language
gettext: addons/account_tax_python/i18n/es_419.po: can't guess language
gettext: addons/account_update_tax_tags/i18n/es_419.po: can't guess language
gettext: addons/analytic/i18n/es_419.po: can't guess language
gettext: addons/attachment_indexation/i18n/es_419.po: can't guess language
gettext: addons/auth_ldap/i18n/es_419.po: can't guess language
gettext: addons/auth_oauth/i18n/es_419.po: can't guess language
gettext: addons/auth_passkey/i18n/es_419.po: can't guess language
gettext: addons/auth_password_policy/i18n/es_419.po: can't guess language
gettext: addons/auth_password_policy_portal/i18n/es_419.po: can't guess language
gettext: addons/auth_password_policy_signup/i18n/es_419.po: can't guess language
gettext: addons/auth_signup/i18n/es_419.po: can't guess language
gettext: addons/auth_totp/i18n/es_419.po: can't guess language
gettext: addons/auth_totp_mail/i18n/es_419.po: can't guess language
gettext: addons/auth_totp_mail_enforce/i18n/es_419.po: can't guess language
gettext: addons/auth_totp_portal/i18n/es_419.po: can't guess language
gettext: addons/barcodes/i18n/es_419.po: can't guess language
gettext: addons/barcodes_gs1_nomenclature/i18n/es_419.po: can't guess language
gettext: addons/base_address_extended/i18n/es_419.po: can't guess language
gettext: addons/base_automation/i18n/es_419.po: can't guess language
gettext: addons/base_geolocalize/i18n/es_419.po: can't guess language
gettext: addons/base_iban/i18n/es_419.po: can't guess language
gettext: addons/base_import/i18n/es_419.po: can't guess language
gettext: addons/base_import_module/i18n/es_419.po: can't guess language
gettext: addons/base_install_request/i18n/es_419.po: can't guess language
gettext: addons/base_setup/i18n/es_419.po: can't guess language
gettext: addons/base_sparse_field/i18n/es_419.po: can't guess language
gettext: addons/base_vat/i18n/es_419.po: can't guess language
gettext: addons/board/i18n/es_419.po: can't guess language
gettext: addons/bus/i18n/es_419.po: can't guess language
gettext: addons/calendar/i18n/es_419.po: can't guess language
gettext: addons/calendar_sms/i18n/es_419.po: can't guess language
gettext: addons/certificate/i18n/es_419.po: can't guess language
gettext: addons/cloud_storage/i18n/es_419.po: can't guess language
gettext: addons/cloud_storage_azure/i18n/es_419.po: can't guess language
gettext: addons/cloud_storage_google/i18n/es_419.po: can't guess language
gettext: addons/contacts/i18n/es_419.po: can't guess language
gettext: addons/crm/i18n/bg.po:662: 'msgid' and 'msgstr' entries do not both end with '\n'
addons/crm/i18n/bg.po:2679: 'msgid' and 'msgstr' entries do not both end with '\n'
msgfmt: found 2 fatal errors
gettext: addons/crm/i18n/es_419.po: can't guess language
gettext: addons/crm_iap_enrich/i18n/es_419.po: can't guess language
gettext: addons/crm_iap_mine/i18n/es_419.po: can't guess language
gettext: addons/crm_livechat/i18n/es_419.po: can't guess language
gettext: addons/crm_mail_plugin/i18n/es_419.po: can't guess language
gettext: addons/crm_sms/i18n/es_419.po: can't guess language
gettext: addons/data_recycle/i18n/es_419.po: can't guess language
gettext: addons/delivery/i18n/es_419.po: can't guess language
gettext: addons/delivery_mondialrelay/i18n/es_419.po: can't guess language
gettext: addons/delivery_stock_picking_batch/i18n/es_419.po: can't guess language
gettext: addons/digest/i18n/es_419.po: can't guess language
gettext: addons/event/i18n/es_419.po: can't guess language
gettext: addons/event/i18n/ro.po:2948: 'msgid' and 'msgstr' entries do not both end with '\n'
msgfmt: found 1 fatal error
gettext: addons/event_booth/i18n/es_419.po: can't guess language
gettext: addons/event_booth_sale/i18n/es_419.po: can't guess language
gettext: addons/event_crm/i18n/es_419.po: can't guess language
gettext: addons/event_crm_sale/i18n/es_419.po: can't guess language
gettext: addons/event_product/i18n/es_419.po: can't guess language
gettext: addons/event_sale/i18n/es_419.po: can't guess language
gettext: addons/event_sms/i18n/es_419.po: can't guess language
gettext: addons/fleet/i18n/es_419.po: can't guess language
gettext: addons/gamification/i18n/es_419.po: can't guess language
gettext: addons/gamification_sale_crm/i18n/es_419.po: can't guess language
gettext: addons/google_account/i18n/es_419.po: can't guess language
gettext: addons/google_calendar/i18n/es_419.po: can't guess language
gettext: addons/google_gmail/i18n/es_419.po: can't guess language
gettext: addons/google_recaptcha/i18n/es_419.po: can't guess language
gettext: addons/hr/i18n/bg.po:2419: 'msgid' and 'msgstr' entries do not both end with '\n'
msgfmt: found 1 fatal error
gettext: addons/hr/i18n/es_419.po: can't guess language
gettext: addons/hr_attendance/i18n/es_419.po: can't guess language
gettext: addons/hr_calendar/i18n/es_419.po: can't guess language
gettext: addons/hr_contract/i18n/es_419.po: can't guess language
gettext: addons/hr_expense/i18n/es_419.po: can't guess language
gettext: addons/hr_fleet/i18n/es_419.po: can't guess language
gettext: addons/hr_gamification/i18n/es_419.po: can't guess language
gettext: addons/hr_holidays/i18n/es_419.po: can't guess language
gettext: addons/hr_holidays_attendance/i18n/es_419.po: can't guess language
gettext: addons/hr_holidays_contract/i18n/es_419.po: can't guess language
gettext: addons/hr_homeworking/i18n/es_419.po: can't guess language
gettext: addons/hr_homeworking_calendar/i18n/es_419.po: can't guess language
gettext: addons/hr_hourly_cost/i18n/es_419.po: can't guess language
gettext: addons/hr_livechat/i18n/es_419.po: can't guess language
gettext: addons/hr_maintenance/i18n/es_419.po: can't guess language
gettext: addons/hr_org_chart/i18n/es_419.po: can't guess language
gettext: addons/hr_presence/i18n/es_419.po: can't guess language
gettext: addons/hr_recruitment/i18n/bg.po:1944: 'msgid' and 'msgstr' entries do not both end with '\n'
msgfmt: found 1 fatal error
gettext: addons/hr_recruitment/i18n/es_419.po: can't guess language
gettext: addons/hr_recruitment_skills/i18n/es_419.po: can't guess language
gettext: addons/hr_recruitment_survey/i18n/es_419.po: can't guess language
gettext: addons/hr_skills/i18n/es_419.po: can't guess language
gettext: addons/hr_skills_slides/i18n/es_419.po: can't guess language
gettext: addons/hr_skills_survey/i18n/es_419.po: can't guess language
gettext: addons/hr_timesheet/i18n/es_419.po: can't guess language
gettext: addons/hr_timesheet_attendance/i18n/es_419.po: can't guess language
gettext: addons/hr_work_entry/i18n/es_419.po: can't guess language
gettext: addons/hr_work_entry_contract/i18n/es_419.po: can't guess language
gettext: addons/hr_work_entry_holidays/i18n/es_419.po: can't guess language
gettext: addons/html_editor/i18n/es_419.po: can't guess language
gettext: addons/http_routing/i18n/es_419.po: can't guess language
gettext: addons/iap/i18n/es_419.po: can't guess language
gettext: addons/iap_crm/i18n/es_419.po: can't guess language
gettext: addons/iap_mail/i18n/es_419.po: can't guess language
gettext: addons/im_livechat/i18n/es_419.po: can't guess language
gettext: addons/l10n_ar/i18n/es_419.po: can't guess language
gettext: addons/l10n_ar_pos/i18n/es_419.po: can't guess language
gettext: addons/l10n_ar_website_sale/i18n/es_419.po: can't guess language
gettext: addons/l10n_ar_withholding/i18n/es_419.po: can't guess language
gettext: addons/l10n_bg/i18n/bg.po:2575: duplicate message definition...
addons/l10n_bg/i18n/bg.po:1807: ...this is the location of the first definition
msgfmt: found 1 fatal error
gettext: addons/l10n_bo/i18n/es_419.po: can't guess language
gettext: addons/l10n_cl/i18n/es_419.po: can't guess language
gettext: addons/l10n_co/i18n/es_419.po: can't guess language
gettext: addons/l10n_cr/i18n/es_419.po: can't guess language
gettext: addons/l10n_cy/i18n/gr.po: gr not a language code
gettext: addons/l10n_do/i18n/es_419.po: can't guess language
gettext: addons/l10n_ec/i18n/es_419.po: can't guess language
gettext: addons/l10n_eg/i18n_extra/ar_001.po: can't guess language
gettext: addons/l10n_in/i18n/l10n_in.pot:302: missing 'msgstr' section
msgfmt: found 1 fatal error
gettext: addons/l10n_iq/i18n_extra/ar_001.po: can't guess language
gettext: addons/l10n_it_edi/i18n/it.po:344: 'msgid' and 'msgstr' entries do not both end with '\n'
addons/l10n_it_edi/i18n/it.po:1026: 'msgid' and 'msgstr' entries do not both end with '\n'
msgfmt: found 2 fatal errors
gettext: addons/l10n_jo/i18n_extra/ar_001.po: can't guess language
gettext: addons/l10n_latam_base/i18n/es_419.po: can't guess language
gettext: addons/l10n_latam_check/i18n/es_419.po: can't guess language
gettext: addons/l10n_latam_invoice_document/i18n/es_419.po: can't guess language
gettext: addons/l10n_mx/i18n/es_419.po: can't guess language
gettext: addons/l10n_mx_hr/i18n/es_419.po: can't guess language
gettext: addons/l10n_pe/i18n/es_419.po: can't guess language
gettext: addons/l10n_qa/i18n/ar_001.po: can't guess language
gettext: addons/l10n_sa/i18n_extra/ar.po: warning: Charset missing in header.
                                                                                      Message conversion to user's charset will not work.
gettext: addons/link_tracker/i18n/es_419.po: can't guess language
gettext: addons/loyalty/i18n/es_419.po: can't guess language
gettext: addons/lunch/i18n/es_419.po: can't guess language
gettext: addons/mail/i18n/bg.po:6475: 'msgid' and 'msgstr' entries do not both end with '\n'
msgfmt: found 1 fatal error
gettext: addons/mail/i18n/es_419.po: can't guess language
gettext: addons/mail/i18n/ro.po:8119: 'msgid' and 'msgstr' entries do not both end with '\n'
msgfmt: found 1 fatal error
gettext: addons/mail_bot/i18n/es_419.po: can't guess language
gettext: addons/mail_group/i18n/es_419.po: can't guess language
gettext: addons/mail_plugin/i18n/es_419.po: can't guess language
gettext: addons/maintenance/i18n/bg.po:1023: 'msgid' and 'msgstr' entries do not both end with '\n'
msgfmt: found 1 fatal error
gettext: addons/maintenance/i18n/es_419.po: can't guess language
gettext: addons/marketing_card/i18n/es_419.po: can't guess language
gettext: addons/mass_mailing/i18n/es_419.po: can't guess language
gettext: addons/mass_mailing/i18n/ro.po:362: 'msgid' and 'msgstr' entries do not both end with '\n'
msgfmt: found 1 fatal error
gettext: addons/mass_mailing_crm/i18n/es_419.po: can't guess language
gettext: addons/mass_mailing_crm_sms/i18n/es_419.po: can't guess language
gettext: addons/mass_mailing_event/i18n/es_419.po: can't guess language
gettext: addons/mass_mailing_event_sms/i18n/es_419.po: can't guess language
gettext: addons/mass_mailing_event_track/i18n/es_419.po: can't guess language
gettext: addons/mass_mailing_event_track_sms/i18n/es_419.po: can't guess language
gettext: addons/mass_mailing_sale/i18n/es_419.po: can't guess language
gettext: addons/mass_mailing_sale_sms/i18n/es_419.po: can't guess language
gettext: addons/mass_mailing_slides/i18n/es_419.po: can't guess language
gettext: addons/mass_mailing_sms/i18n/es_419.po: can't guess language
gettext: addons/mass_mailing_themes/i18n/es_419.po: can't guess language
gettext: addons/membership/i18n/es_419.po: can't guess language
gettext: addons/microsoft_account/i18n/es_419.po: can't guess language
gettext: addons/microsoft_calendar/i18n/es_419.po: can't guess language
gettext: addons/microsoft_outlook/i18n/es_419.po: can't guess language
gettext: addons/mrp/i18n/es_419.po: can't guess language
gettext: addons/mrp_account/i18n/es_419.po: can't guess language
gettext: addons/mrp_landed_costs/i18n/es_419.po: can't guess language
gettext: addons/mrp_product_expiry/i18n/es_419.po: can't guess language
gettext: addons/mrp_repair/i18n/es_419.po: can't guess language
gettext: addons/mrp_subcontracting/i18n/es_419.po: can't guess language
gettext: addons/mrp_subcontracting_account/i18n/es_419.po: can't guess language
gettext: addons/mrp_subcontracting_dropshipping/i18n/es_419.po: can't guess language
gettext: addons/mrp_subcontracting_purchase/i18n/es_419.po: can't guess language
gettext: addons/onboarding/i18n/es_419.po: can't guess language
gettext: addons/partner_autocomplete/i18n/es_419.po: can't guess language
gettext: addons/payment/i18n/es_419.po: can't guess language
gettext: addons/payment/i18n/ro.po:877: 'msgid' and 'msgstr' entries do not both end with '\n'
msgfmt: found 1 fatal error
gettext: addons/payment_adyen/i18n/es_419.po: can't guess language
gettext: addons/payment_aps/i18n/es_419.po: can't guess language
gettext: addons/payment_asiapay/i18n/es_419.po: can't guess language
gettext: addons/payment_authorize/i18n/es_419.po: can't guess language
gettext: addons/payment_buckaroo/i18n/es_419.po: can't guess language
gettext: addons/payment_custom/i18n/es_419.po: can't guess language
gettext: addons/payment_demo/i18n/es_419.po: can't guess language
gettext: addons/payment_flutterwave/i18n/es_419.po: can't guess language
gettext: addons/payment_mercado_pago/i18n/es_419.po: can't guess language
gettext: addons/payment_mollie/i18n/es_419.po: can't guess language
gettext: addons/payment_paypal/i18n/es_419.po: can't guess language
gettext: addons/payment_razorpay/i18n/es_419.po: can't guess language
gettext: addons/payment_stripe/i18n/es_419.po: can't guess language
gettext: addons/payment_worldline/i18n/es_419.po: can't guess language
gettext: addons/payment_xendit/i18n/es_419.po: can't guess language
gettext: addons/phone_validation/i18n/es_419.po: can't guess language
gettext: addons/point_of_sale/i18n/es_419.po: can't guess language
gettext: addons/portal/i18n/es_419.po: can't guess language
gettext: addons/portal_rating/i18n/es_419.po: can't guess language
gettext: addons/pos_adyen/i18n/es_419.po: can't guess language
gettext: addons/pos_discount/i18n/es_419.po: can't guess language
gettext: addons/pos_event/i18n/es_419.po: can't guess language
gettext: addons/pos_hr/i18n/es_419.po: can't guess language
gettext: addons/pos_loyalty/i18n/es_419.po: can't guess language
gettext: addons/pos_loyalty/i18n/sv.po:35: 'msgid' and 'msgstr' entries do not both end with '\n'
msgfmt: found 1 fatal error
gettext: addons/pos_mercado_pago/i18n/es_419.po: can't guess language
gettext: addons/pos_mrp/i18n/es_419.po: can't guess language
gettext: addons/pos_online_payment/i18n/es_419.po: can't guess language
gettext: addons/pos_online_payment_self_order/i18n/es_419.po: can't guess language
gettext: addons/pos_paytm/i18n/es_419.po: can't guess language
gettext: addons/pos_razorpay/i18n/es_419.po: can't guess language
gettext: addons/pos_restaurant/i18n/es_419.po: can't guess language
gettext: addons/pos_restaurant_adyen/i18n/es_419.po: can't guess language
gettext: addons/pos_restaurant_stripe/i18n/es_419.po: can't guess language
gettext: addons/pos_sale/i18n/es_419.po: can't guess language
gettext: addons/pos_sale_loyalty/i18n/es_419.po: can't guess language
gettext: addons/pos_sale_margin/i18n/es_419.po: can't guess language
gettext: addons/pos_self_order/i18n/es_419.po: can't guess language
gettext: addons/pos_self_order_adyen/i18n/es_419.po: can't guess language
gettext: addons/pos_self_order_sale/i18n/es_419.po: can't guess language
gettext: addons/pos_self_order_stripe/i18n/es_419.po: can't guess language
gettext: addons/pos_sms/i18n/es_419.po: can't guess language
gettext: addons/pos_stripe/i18n/es_419.po: can't guess language
gettext: addons/pos_viva_wallet/i18n/es_419.po: can't guess language
gettext: addons/privacy_lookup/i18n/es_419.po: can't guess language
gettext: addons/product/i18n/es_419.po: can't guess language
gettext: addons/product_email_template/i18n/es_419.po: can't guess language
gettext: addons/product_expiry/i18n/es_419.po: can't guess language
gettext: addons/product_images/i18n/es_419.po: can't guess language
gettext: addons/product_margin/i18n/es_419.po: can't guess language
gettext: addons/product_matrix/i18n/es_419.po: can't guess language
gettext: addons/project/i18n/bg.po:2939: 'msgid' and 'msgstr' entries do not both end with '\n'
msgfmt: found 1 fatal error
gettext: addons/project/i18n/es_419.po: can't guess language
gettext: addons/project/i18n/ro.po:37: 'msgid' and 'msgstr' entries do not both end with '\n'
msgfmt: found 1 fatal error
gettext: addons/project_account/i18n/es_419.po: can't guess language
gettext: addons/project_hr_expense/i18n/es_419.po: can't guess language
gettext: addons/project_hr_skills/i18n/es_419.po: can't guess language
gettext: addons/project_mail_plugin/i18n/es_419.po: can't guess language
gettext: addons/project_mrp/i18n/es_419.po: can't guess language
gettext: addons/project_mrp_account/i18n/es_419.po: can't guess language
gettext: addons/project_purchase/i18n/es_419.po: can't guess language
gettext: addons/project_sale_expense/i18n/es_419.po: can't guess language
gettext: addons/project_sms/i18n/es_419.po: can't guess language
gettext: addons/project_stock/i18n/es_419.po: can't guess language
gettext: addons/project_stock_account/i18n/es_419.po: can't guess language
gettext: addons/project_timesheet_holidays/i18n/es_419.po: can't guess language
gettext: addons/project_todo/i18n/es_419.po: can't guess language
gettext: addons/purchase/i18n/es_419.po: can't guess language
gettext: addons/purchase_edi_ubl_bis3/i18n/es_419.po: can't guess language
gettext: addons/purchase_mrp/i18n/es_419.po: can't guess language
gettext: addons/purchase_product_matrix/i18n/es_419.po: can't guess language
gettext: addons/purchase_repair/i18n/es_419.po: can't guess language
gettext: addons/purchase_requisition/i18n/es_419.po: can't guess language
gettext: addons/purchase_requisition_sale/i18n/es_419.po: can't guess language
gettext: addons/purchase_requisition_stock/i18n/es_419.po: can't guess language
gettext: addons/purchase_stock/i18n/es_419.po: can't guess language
gettext: addons/rating/i18n/es_419.po: can't guess language
gettext: addons/repair/i18n/es_419.po: can't guess language
gettext: addons/resource/i18n/es_419.po: can't guess language
gettext: addons/resource_mail/i18n/es_419.po: can't guess language
gettext: addons/sale/i18n/es_419.po: can't guess language
gettext: addons/sale_async_emails/i18n/es_419.po: can't guess language
gettext: addons/sale_crm/i18n/es_419.po: can't guess language
gettext: addons/sale_edi_ubl/i18n/es_419.po: can't guess language
gettext: addons/sale_expense/i18n/es_419.po: can't guess language
gettext: addons/sale_expense_margin/i18n/es_419.po: can't guess language
gettext: addons/sale_loyalty/i18n/es_419.po: can't guess language
gettext: addons/sale_loyalty_delivery/i18n/es_419.po: can't guess language
gettext: addons/sale_management/i18n/es_419.po: can't guess language
gettext: addons/sale_margin/i18n/es_419.po: can't guess language
gettext: addons/sale_mrp/i18n/es_419.po: can't guess language
gettext: addons/sale_pdf_quote_builder/i18n/es_419.po: can't guess language
gettext: addons/sale_product_matrix/i18n/es_419.po: can't guess language
gettext: addons/sale_project/i18n/es_419.po: can't guess language
gettext: addons/sale_project_stock/i18n/es_419.po: can't guess language
gettext: addons/sale_purchase/i18n/es_419.po: can't guess language
gettext: addons/sale_purchase_stock/i18n/es_419.po: can't guess language
gettext: addons/sale_service/i18n/es_419.po: can't guess language
gettext: addons/sale_stock/i18n/es_419.po: can't guess language
gettext: addons/sale_stock_margin/i18n/es_419.po: can't guess language
gettext: addons/sale_timesheet/i18n/es_419.po: can't guess language
gettext: addons/sale_timesheet_margin/i18n/es_419.po: can't guess language
gettext: addons/sales_team/i18n/es_419.po: can't guess language
gettext: addons/sms/i18n/es_419.po: can't guess language
gettext: addons/snailmail/i18n/es_419.po: can't guess language
gettext: addons/snailmail_account/i18n/es_419.po: can't guess language
gettext: addons/social_media/i18n/es_419.po: can't guess language
gettext: addons/spreadsheet/i18n/es_419.po: can't guess language
gettext: addons/spreadsheet_account/i18n/es_419.po: can't guess language
gettext: addons/spreadsheet_dashboard/i18n/es_419.po: can't guess language
gettext: addons/spreadsheet_dashboard_account/i18n/es_419.po: can't guess language
gettext: addons/spreadsheet_dashboard_event_sale/i18n/es_419.po: can't guess language
gettext: addons/spreadsheet_dashboard_hr_expense/i18n/es_419.po: can't guess language
gettext: addons/spreadsheet_dashboard_hr_timesheet/i18n/es_419.po: can't guess language
gettext: addons/spreadsheet_dashboard_im_livechat/i18n/es_419.po: can't guess language
gettext: addons/spreadsheet_dashboard_pos_hr/i18n/es_419.po: can't guess language
gettext: addons/spreadsheet_dashboard_pos_restaurant/i18n/es_419.po: can't guess language
gettext: addons/spreadsheet_dashboard_sale/i18n/es_419.po: can't guess language
gettext: addons/spreadsheet_dashboard_sale_timesheet/i18n/es_419.po: can't guess language
gettext: addons/spreadsheet_dashboard_stock_account/i18n/es_419.po: can't guess language
gettext: addons/spreadsheet_dashboard_website_sale/i18n/es_419.po: can't guess language
gettext: addons/spreadsheet_dashboard_website_sale_slides/i18n/es_419.po: can't guess language
gettext: addons/stock/i18n/es_419.po: can't guess language
gettext: addons/stock/i18n/ro.po:6908: 'msgid' and 'msgstr' entries do not both end with '\n'
msgfmt: found 1 fatal error
gettext: addons/stock_account/i18n/es_419.po: can't guess language
gettext: addons/stock_delivery/i18n/es_419.po: can't guess language
gettext: addons/stock_dropshipping/i18n/es_419.po: can't guess language
gettext: addons/stock_fleet/i18n/es_419.po: can't guess language
gettext: addons/stock_landed_costs/i18n/es_419.po: can't guess language
gettext: addons/stock_picking_batch/i18n/es_419.po: can't guess language
gettext: addons/stock_sms/i18n/es_419.po: can't guess language
gettext: addons/survey/i18n/es_419.po: can't guess language
gettext: addons/transifex/i18n/es_419.po: can't guess language
gettext: addons/uom/i18n/es_419.po: can't guess language
gettext: addons/uom/i18n/vi.po:366: 'msgid' and 'msgstr' entries do not both end with '\n'
msgfmt: found 1 fatal error
gettext: addons/utm/i18n/es_419.po: can't guess language
gettext: addons/web/i18n/es_419.po: can't guess language
gettext: addons/web_editor/i18n/es_419.po: can't guess language
gettext: addons/web_hierarchy/i18n/es_419.po: can't guess language
gettext: addons/web_tour/i18n/es_419.po: can't guess language
gettext: addons/web_unsplash/i18n/es_419.po: can't guess language
gettext: addons/website/i18n/es_419.po: can't guess language
gettext: addons/website/i18n/ro.po:793: 'msgid' and 'msgstr' entries do not both end with '\n'
addons/website/i18n/ro.po:4919: 'msgid' and 'msgstr' entries do not both end with '\n'
msgfmt: found 2 fatal errors
gettext: addons/website_blog/i18n/es_419.po: can't guess language
gettext: addons/website_cf_turnstile/i18n/es_419.po: can't guess language
gettext: addons/website_crm/i18n/es_419.po: can't guess language
gettext: addons/website_crm_iap_reveal/i18n/es_419.po: can't guess language
gettext: addons/website_crm_livechat/i18n/es_419.po: can't guess language
gettext: addons/website_crm_partner_assign/i18n/es_419.po: can't guess language
gettext: addons/website_crm_sms/i18n/es_419.po: can't guess language
gettext: addons/website_customer/i18n/es_419.po: can't guess language
gettext: addons/website_event/i18n/es_419.po: can't guess language
gettext: addons/website_event_booth/i18n/es_419.po: can't guess language
gettext: addons/website_event_booth_exhibitor/i18n/es_419.po: can't guess language
gettext: addons/website_event_booth_sale/i18n/es_419.po: can't guess language
gettext: addons/website_event_booth_sale_exhibitor/i18n/es_419.po: can't guess language
gettext: addons/website_event_crm/i18n/es_419.po: can't guess language
gettext: addons/website_event_exhibitor/i18n/es_419.po: can't guess language
gettext: addons/website_event_jitsi/i18n/es_419.po: can't guess language
gettext: addons/website_event_meet/i18n/es_419.po: can't guess language
gettext: addons/website_event_meet_quiz/i18n/es_419.po: can't guess language
gettext: addons/website_event_sale/i18n/es_419.po: can't guess language
gettext: addons/website_event_track/i18n/es_419.po: can't guess language
gettext: addons/website_event_track_live/i18n/es_419.po: can't guess language
gettext: addons/website_event_track_live_quiz/i18n/es_419.po: can't guess language
gettext: addons/website_event_track_quiz/i18n/es_419.po: can't guess language
gettext: addons/website_forum/i18n/es_419.po: can't guess language
gettext: addons/website_hr_recruitment/i18n/es_419.po: can't guess language
gettext: addons/website_jitsi/i18n/es_419.po: can't guess language
gettext: addons/website_links/i18n/es_419.po: can't guess language
gettext: addons/website_livechat/i18n/es_419.po: can't guess language
gettext: addons/website_mail/i18n/es_419.po: can't guess language
gettext: addons/website_mail_group/i18n/es_419.po: can't guess language
gettext: addons/website_mass_mailing/i18n/es_419.po: can't guess language
gettext: addons/website_mass_mailing_sms/i18n/es_419.po: can't guess language
gettext: addons/website_membership/i18n/es_419.po: can't guess language
gettext: addons/website_partner/i18n/es_419.po: can't guess language
gettext: addons/website_payment/i18n/es_419.po: can't guess language
gettext: addons/website_payment_authorize/i18n/es_419.po: can't guess language
gettext: addons/website_profile/i18n/es_419.po: can't guess language
gettext: addons/website_project/i18n/es_419.po: can't guess language
gettext: addons/website_sale/i18n/es_419.po: can't guess language
gettext: addons/website_sale_autocomplete/i18n/es_419.po: can't guess language
gettext: addons/website_sale_collect/i18n/es_419.po: can't guess language
gettext: addons/website_sale_comparison/i18n/es_419.po: can't guess language
gettext: addons/website_sale_comparison_wishlist/i18n/es_419.po: can't guess language
gettext: addons/website_sale_loyalty/i18n/es_419.po: can't guess language
gettext: addons/website_sale_mass_mailing/i18n/es_419.po: can't guess language
gettext: addons/website_sale_mondialrelay/i18n/es_419.po: can't guess language
gettext: addons/website_sale_slides/i18n/es_419.po: can't guess language
gettext: addons/website_sale_stock/i18n/es_419.po: can't guess language
gettext: addons/website_sale_stock_wishlist/i18n/es_419.po: can't guess language
gettext: addons/website_sale_wishlist/i18n/es_419.po: can't guess language
gettext: addons/website_slides/i18n/es_419.po: can't guess language
gettext: addons/website_slides/i18n/ro.po:579: 'msgid' and 'msgstr' entries do not both end with '\n'
addons/website_slides/i18n/ro.po:746: 'msgid' and 'msgstr' entries do not both end with '\n'
msgfmt: found 2 fatal errors
gettext: addons/website_slides_forum/i18n/es_419.po: can't guess language
gettext: addons/website_slides_survey/i18n/es_419.po: can't guess language
gettext: addons/website_sms/i18n/es_419.po: can't guess language
gettext: odoo/addons/base/i18n/az.po:5187: 'msgid' and 'msgstr' entries do not both begin with '\n'
odoo/addons/base/i18n/az.po:5357: 'msgid' and 'msgstr' entries do not both begin with '\n'
odoo/addons/base/i18n/az.po:5570: 'msgid' and 'msgstr' entries do not both begin with '\n'
odoo/addons/base/i18n/az.po:7201: 'msgid' and 'msgstr' entries do not both end with '\n'
msgfmt: found 4 fatal errors
gettext: odoo/addons/base/i18n/es_419.po: can't guess language
gettext: odoo/addons/base/i18n/et.po:3146: 'msgid' and 'msgstr' entries do not both begin with '\n'
msgfmt: found 1 fatal error
gettext: odoo/addons/base/i18n/is.po:365: 'msgid' and 'msgstr' entries do not both begin with '\n'
msgfmt: found 1 fatal error
gettext: odoo/addons/base/i18n/ja.po:3576: 'msgid' and 'msgstr' entries do not both begin with '\n'
odoo/addons/base/i18n/ja.po:3890: 'msgid' and 'msgstr' entries do not both begin with '\n'
odoo/addons/base/i18n/ja.po:4047: 'msgid' and 'msgstr' entries do not both begin with '\n'
odoo/addons/base/i18n/ja.po:4722: 'msgid' and 'msgstr' entries do not both begin with '\n'
odoo/addons/base/i18n/ja.po:5193: 'msgid' and 'msgstr' entries do not both begin with '\n'
odoo/addons/base/i18n/ja.po:5360: 'msgid' and 'msgstr' entries do not both begin with '\n'
odoo/addons/base/i18n/ja.po:5810: 'msgid' and 'msgstr' entries do not both begin with '\n'
odoo/addons/base/i18n/ja.po:5945: 'msgid' and 'msgstr' entries do not both begin with '\n'
odoo/addons/base/i18n/ja.po:6271: 'msgid' and 'msgstr' entries do not both begin with '\n'
odoo/addons/base/i18n/ja.po:6932: 'msgid' and 'msgstr' entries do not both begin with '\n'
odoo/addons/base/i18n/ja.po:7226: 'msgid' and 'msgstr' entries do not both begin with '\n'
odoo/addons/base/i18n/ja.po:7398: 'msgid' and 'msgstr' entries do not both begin with '\n'
odoo/addons/base/i18n/ja.po:7671: 'msgid' and 'msgstr' entries do not both begin with '\n'
odoo/addons/base/i18n/ja.po:7910: 'msgid' and 'msgstr' entries do not both begin with '\n'
odoo/addons/base/i18n/ja.po:8066: 'msgid' and 'msgstr' entries do not both begin with '\n'
odoo/addons/base/i18n/ja.po:8159: 'msgid' and 'msgstr' entries do not both begin with '\n'
odoo/addons/base/i18n/ja.po:8337: 'msgid' and 'msgstr' entries do not both begin with '\n'
odoo/addons/base/i18n/ja.po:8389: 'msgid' and 'msgstr' entries do not both begin with '\n'
odoo/addons/base/i18n/ja.po:8578: 'msgid' and 'msgstr' entries do not both begin with '\n'
odoo/addons/base/i18n/ja.po:8931: 'msgid' and 'msgstr' entries do not both begin with '\n'
odoo/addons/base/i18n/ja.po:10414: 'msgid' and 'msgstr' entries do not both begin with '\n'
odoo/addons/base/i18n/ja.po:10752: 'msgid' and 'msgstr' entries do not both begin with '\n'
odoo/addons/base/i18n/ja.po:11633: 'msgid' and 'msgstr' entries do not both begin with '\n'
odoo/addons/base/i18n/ja.po:11660: 'msgid' and 'msgstr' entries do not both begin with '\n'
odoo/addons/base/i18n/ja.po:11975: 'msgid' and 'msgstr' entries do not both begin with '\n'
odoo/addons/base/i18n/ja.po:11998: 'msgid' and 'msgstr' entries do not both begin with '\n'
msgfmt: found 52 fatal errors
gettext: odoo/addons/base/i18n/ro.po:484: 'msgid' and 'msgstr' entries do not both end with '\n'
odoo/addons/base/i18n/ro.po:1946: 'msgid' and 'msgstr' entries do not both end with '\n'
odoo/addons/base/i18n/ro.po:2027: 'msgid' and 'msgstr' entries do not both end with '\n'
odoo/addons/base/i18n/ro.po:2902: 'msgid' and 'msgstr' entries do not both end with '\n'
odoo/addons/base/i18n/ro.po:3106: 'msgid' and 'msgstr' entries do not both end with '\n'
odoo/addons/base/i18n/ro.po:8468: 'msgid' and 'msgstr' entries do not both end with '\n'
odoo/addons/base/i18n/ro.po:18413: 'msgid' and 'msgstr' entries do not both end with '\n'
msgfmt: found 7 fatal errors
      

Please ask the translator (identified by the Last-Translator field in the PO file), the language team (identified by the Language-Team field) or debian-i18n for a fix.