Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in /home/brainware/public_html/bwu-ess-lapi/app/Http/Controllers/Common/TaxCalculatorLibContrller.php:15 Stack trace: #0 {main} thrown in /home/brainware/public_html/bwu-ess-lapi/app/Http/Controllers/Common/TaxCalculatorLibContrller.php on line 15