Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\DataCollector\DataCollector' not found in /var/www/html/tmp/contrib/devel/webprofiler/src/DataCollector/AssetsDataCollector.php:15 Stack trace: #0 {main} thrown in /var/www/html/tmp/contrib/devel/webprofiler/src/DataCollector/AssetsDataCollector.php on line 15