Fatal error: Uncaught Error: Class 'Illuminate\Database\Query\Grammars\Grammar' not found in /var/www/html/sigo-laravel/vendor/yajra/laravel-oci8/src/Oci8/Query/Grammars/OracleGrammar.php:11 Stack trace: #0 {main} thrown in /var/www/html/sigo-laravel/vendor/yajra/laravel-oci8/src/Oci8/Query/Grammars/OracleGrammar.php on line 11