Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /var/www/html/conquer-online/tools/obfuscator/vendor/symfony/yaml/Tests/ParserTest.php:18 Stack trace: #0 {main} thrown in /var/www/html/conquer-online/tools/obfuscator/vendor/symfony/yaml/Tests/ParserTest.php on line 18