Fatal error: Uncaught Error: Call to undefined function app() in C:\xampp\htdocs\erp\storage\framework\views\acdefe46719bc36f9178920f8ff83a8d.php:4 Stack trace: #0 {main} thrown in C:\xampp\htdocs\erp\storage\framework\views\acdefe46719bc36f9178920f8ff83a8d.php on line 4