Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\laragon\www\infernal-flyff.com\vendor\nikic\fast-route\test\HackTypechecker\HackTypecheckerTest.php:7 Stack trace: #0 {main} thrown in C:\laragon\www\infernal-flyff.com\vendor\nikic\fast-route\test\HackTypechecker\HackTypecheckerTest.php on line 7