Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in /home/shikkhaplus/public_html/demo_bk/app/Http/Controllers/hr/operations/ResignUndoController.php:15 Stack trace: #0 {main} thrown in /home/shikkhaplus/public_html/demo_bk/app/Http/Controllers/hr/operations/ResignUndoController.php on line 15