401: Unauthorized iframe web card

Configuration
1

Hi can any one help i am using web card to iframe music assistant to dahboard
Work well ( BUT ) get 401: unauthorized.

Temp fix is to click the music assistant on the right menu in HA, the return to dash and it works , what can i do to fix this…

3

Same issue here, anyone know of a fix?

4

same issue, anyone ever find a fix for this?