Fatal error: Uncaught Error: Interface "Doctrine\Common\Proxy\Exception\ProxyException" not found in /users/energydata/www/volkszaehler.org/vendor/doctrine/common/lib/Doctrine/Common/Proxy/Exception/InvalidArgumentException.php:18 Stack trace: #0 {main} thrown in /users/energydata/www/volkszaehler.org/vendor/doctrine/common/lib/Doctrine/Common/Proxy/Exception/InvalidArgumentException.php on line 18