Fatal error: Uncaught Error: Class "Yajra\DataTables\DataTableAbstract" not found in C:\xampp\htdocs\r10ca\vendor\yajra\laravel-datatables-oracle\src\QueryDataTable.php:15 Stack trace: #0 {main} thrown in C:\xampp\htdocs\r10ca\vendor\yajra\laravel-datatables-oracle\src\QueryDataTable.php on line 15