en to nn translation catalogue (3 entries)

[ctx: Error message]
en: Could not locate package metadata
nn: Fann ikkje pakke-metadata

[ctx: Required file does not exist]
en: %1 does not contain a valid metadata.json file
nn: %1 inneheld ikkje ei gyldig metadata.json-fil

[ctx: Required file does not exist]
en: %1 does not exist
nn: %1 finst ikkje
