Fatal error: Uncaught Error: Interface 'Kreait\Firebase\Auth\SignIn' not found in /home/rawaapp/public_html/vendor/kreait/firebase-php/src/Firebase/Auth/SignInWithCustomToken.php:7 Stack trace: #0 {main} thrown in /home/rawaapp/public_html/vendor/kreait/firebase-php/src/Firebase/Auth/SignInWithCustomToken.php on line 7