Brave Reward bug?

Hey,
When i want change the activation of “announcement” or “advertisement”
like the button in the picture, it’s doesn’t function.
Capture d’écran 2021-02-09 à 00.52.26
same think when i want : “commencer à utiliser Brave Rewards” (Begin to use Brave Rewards) The click don’t do anythings.
please help me.
That started to bug when I deactivated for the 1st time the announcement (annonce)