Fatal error: Uncaught Error: Interface "Lcobucci\JWT\Signer" not found in /home/admpnldg8/public_html/pushnotification/vendor/kreait/firebase-tokens/src/JWT/Signer/None.php:10 Stack trace: #0 {main} thrown in /home/admpnldg8/public_html/pushnotification/vendor/kreait/firebase-tokens/src/JWT/Signer/None.php on line 10