Just encountered this. MX Linux current, installed via Flatpak.
title:Error while authenticating
content: Error while trying to authenticate to Google Drive: Failed to obtain access credentials. Error: invalid_grant Malformed auth code. Status code: 400
OS: linux Linux 6.2.6-1-liquorix-amd64 #1 ZEN SMP PREEMPT_DYNAMIC liquorix 6.2-5~mx21+1 (2023-03-13)
App Info: AuthPass (1.9.7+1940) [design.codeux.authpass.linux]
Device: {name: Freedesktop.org, version: 21.08.18 (Flatpak runtime)}