Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\DataCollector\DataCollector' not found in /home/noct-c/www/tanakahashi/vendor/symfony/http-kernel/Tests/Fixtures/DataCollector/CloneVarDataCollector.php:18
Stack trace:
#0 {main}
thrown in /home/noct-c/www/tanakahashi/vendor/symfony/http-kernel/Tests/Fixtures/DataCollector/CloneVarDataCollector.php on line 18