The brief category is missing in the archive you're uploading to My library.
Contact the item developer to specify the brief category in the subtype field of the .ewizard/settings.json file. Then upload the corrected archive.
The brief category is missing in the archive you're uploading to My library.
Contact the item developer to specify the brief category in the subtype field of the .ewizard/settings.json file. Then upload the corrected archive.