Fatal error: Uncaught Error: Call to undefined function app() in C:\xampp\htdocs\siscementerio\storage\framework\views\f39f3fc068e822a2bc601b97fa5e4df523495c25.php:1 Stack trace: #0 {main} thrown in C:\xampp\htdocs\siscementerio\storage\framework\views\f39f3fc068e822a2bc601b97fa5e4df523495c25.php on line 1