Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in D:\xampp\htdocs\erp_api\vendor\symfony\yaml\Symfony\Component\Yaml\Tests\ParserTest.php:17 Stack trace: #0 {main} thrown in D:\xampp\htdocs\erp_api\vendor\symfony\yaml\Symfony\Component\Yaml\Tests\ParserTest.php on line 17