Add-on authors reply to reviewer comment broken

[Betterbird]

I got a reviewer reply and wanted to capture my answer via: https://addons.thunderbird.net/de/developers/addon/dictionary-for-recipient/versions If I click on "Review History" (which in German is mis-translated to "Chronilk der Bewertungen") I get:

Beim Abrufen der Anmerkungen zur Überprüfung ist ein Fehler aufgetreten. https://addons.thunderbird.net/api/v4/addons/addon/646888/versions/2477596/reviewnotes/, Unauthorized, {"code":"ERROR_INVALID_HEADER","detail":"Invalid Authorisation header. No credentials provided."}

I typed in a lengthy reply anyway, and when I hit the "Antwort" button nothing happens.

[Betterbird]

As advised by @jobisoft, logging out and logging in fixed the issue. However, the error message is far from optimal. Also, logging out/in is a bit of a hassle due to MFA.