Fatal error: Uncaught Error: Class 'Yajra\DataTables\DataTableAbstract' not found in D:\svn\bitfx\vendor\yajra\laravel-datatables-oracle\src\QueryDataTable.php:11 Stack trace: #0 {main} thrown in D:\svn\bitfx\vendor\yajra\laravel-datatables-oracle\src\QueryDataTable.php on line 11