Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in D:\xampp\htdocs\erp_api\vendor\symfony\debug\Symfony\Component\Debug\Tests\DebugClassLoaderTest.php:18 Stack trace: #0 {main} thrown in D:\xampp\htdocs\erp_api\vendor\symfony\debug\Symfony\Component\Debug\Tests\DebugClassLoaderTest.php on line 18