New Mi Mail Messages won't delete


Apr 5, 2022
Since i upgraded my Mi 11 Pro (Mars) from MIUI 13 stable to MIUI 14 stable, i cannot delete Emails in the combined inbox of mi mail. Once deleted, a few minutes later these Messages reappear. They Do Not appear in that corresponding inbox e. G. Gmail though.
I updated to the the latest weeklys, but the Problem persists.

Is there any workaround without clean install?
I already cleared all data of Mail app and reconfigured everything, but that didn't help..

Thx in advance!

Current weekly: DEV
Mail app: V13_20230327_b1