Fatal error: Uncaught Error: Interface "Kreait\Firebase\Contract\Auth" not found in /home2/floating/public_html/coincorn1/app/vendor/kreait/firebase-php/src/Firebase/Auth.php:50 Stack trace: #0 {main} thrown in /home2/floating/public_html/coincorn1/app/vendor/kreait/firebase-php/src/Firebase/Auth.php on line 50