Fatal error: Uncaught Error: Interface 'Yajra\Datatables\Contracts\DataTableContract' not found in /home/itiffy/public_html/vendor/yajra/laravel-datatables-oracle/src/Services/DataTable.php:21 Stack trace: #0 {main} thrown in /home/itiffy/public_html/vendor/yajra/laravel-datatables-oracle/src/Services/DataTable.php on line 21