Fatal error: Uncaught Error: Call to undefined function test() in C:\xampp\htdocs\astra-backoffice\vendor\laravel\serializable-closure\tests\ReflectionClosure4Test.php:9 Stack trace: #0 {main} thrown in C:\xampp\htdocs\astra-backoffice\vendor\laravel\serializable-closure\tests\ReflectionClosure4Test.php on line 9