Fatal error: Uncaught Error: Interface 'Firebase\Auth\Token\Domain\Generator' not found in /home/demo1innoblitz/public_html/dhwani-cms/vendor/kreait/firebase-php/src/Firebase/Auth/CustomTokenViaGoogleIam.php:19 Stack trace: #0 {main} thrown in /home/demo1innoblitz/public_html/dhwani-cms/vendor/kreait/firebase-php/src/Firebase/Auth/CustomTokenViaGoogleIam.php on line 19