i am trying to configure co-signer call back handle and it shows something went wrong , i used endpoint “https://3b29-2402-3a80-4493-b28b-83f-a20f-8b66-502b.ngrok-free.app/sign” and public key properly please help to fix this.
Hi,
You cannot configure a callback handler on the FB communal co-signer, you will need to configure your own CO-SIGNER.