Fatal error: Uncaught Error: Call to undefined function app() in C:\xampp\htdocs\systemcolas\storage\framework\views\9f03e8950e5b4caa21b97dd83615f2bc312b73de.php:1 Stack trace: #0 {main} thrown in C:\xampp\htdocs\systemcolas\storage\framework\views\9f03e8950e5b4caa21b97dd83615f2bc312b73de.php on line 1