Comment 0 for bug 1984014

Snapcraft 7 introduced a new format for credentials generated by the export-login command, however the latest version of ubuntu-image (2.2+snap9) isn't able to parse the new format. This means someone who wants to build an Ubuntu Core 22 image that requires access to snaps in a brand store must install snapcraft 6 to export login credentials.

For reference: https://forum.snapcraft.io/t/snapcraft-authentication-options/30473