Fatal error: Class 'Symfony\Component\HttpKernel\DataCollector\DataCollector' not found in /var/www/html/dev/spa/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/DataCollector/ConfigDataCollector.php on line 26

Call Stack:
    0.0007     268640   1. {main}() /var/www/html/dev/spa/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/DataCollector/ConfigDataCollector.php:0