Hi you may want to cast your eye over this thread showing info about a known issue linking Brave and Gemini.
https://community.brave.com/t/unable-to-reconnect-gemini-wallet-to-brave-rewards/324607/14.
But given what you say about the max you have hit you need to follow the instructions shown on the following thread
https://community.brave.com/t/unable-to-re-verify-wallet/279742/116
hope it helps