SSH - Unable to SSH into Node / Unable to unload wallets

I want to unload a lot of wallets via terminal (bitcoin-cli) but I can’t even SSH into my umbrel.

even with correct password, I just get ‘permission denied’

How can I fix this and/or how can I unload all wallets linked to my umbrel?

What youi really want to do with that?
Please follow the instructions from Umbrel troubleshooting guide for using the bitcoincli command