Kubuntu 26.04 Discover Store Authentification error

If i want to install a new App/programm over Discover Store (Kubuntu 26.04) e.g Onbaoard Keyboard.......there is a Authentification message (where i have to write my password before the instalation starts), it blinks one time (no camera is being enabled, if have the IR camera set in the config of howdy) and then it gives the error that i don't have the priviliges and then the message diappear.

Someone a hint for me ??

I've searched for similar issues already, and my issue has not been reported yet.

Linux distribution (if applicable): Kubuntu 26.04

Howdy version (sudo howdy version): Howdy 3.0.0 BETA