Fatal error: Uncaught Error: Call to undefined function test() in C:\sites\wasalnah.sabti-h.com\vendor\laravel\serializable-closure\tests\SerializerPhp81Test.php:8 Stack trace: #0 {main} thrown in C:\sites\wasalnah.sabti-h.com\vendor\laravel\serializable-closure\tests\SerializerPhp81Test.php on line 8