I receive the error:
'Package name is marked for translation, but there are no valid message files.'
The message files are stored in _locales/[2-letter-locale-abbr]/messsages.json
w/ the following example content:
{
"appName": { "message": "ChatGPT-Breitbildmodus" },
"appDesc": { "message": "Fügt Widescreen + Full-Window-Modi zu ChatGPT hinzu, um das Scrollen zu reduzieren", }
}
manifest.json
contains the following:
"name": "__MSG_appName__",
"description": "__MSG_appDesc__",
(Package validates properly in Chrome & Edge store)