Dashboard with Android Wallpanel always logout after some hours (http ban)

Hi,

I’m using different dashboards at my house with Android Wallpanel to show HA dashboard. This is working till think 3 month ago. Now I can login and config Wallpanel to show my HA dashboard and after running 12 hours I get something like this a the log:

[homeassistant.components.http.ban] Login attempt or request with invalid authentication from Dashboard_Kueche.smcbs.local (192.168.xx.xx). Requested URL: '/api/websocket'. (Mozilla/5.0 (Linux; Android 12; Lenovo TB-J616F Build/SP1A.210812.016; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/113.0.5672.131 Safari/537.36)

and then the Wallpanel dashboard is logged out. I’m using the internal IP with port 8123 and a internal only user at this dashboards. I cleared everything and reinstall Wallpaneld etc. without a solution. The dashbaord is working fine some hours or a day and then it’s logged out. Whats the problem and what can I do?

This config is working for years and user credentials are ok and I could manually login again without s issue.

Steffen