Fatal error: Uncaught Error: Call to undefined function Symfony\Component\ErrorHandler\get_error_handler() in /var/www/shopware/vendor/symfony/error-handler/ErrorHandler.php:366 Stack trace: #0 /var/www/shopware/vendor/symfony/error-handler/ErrorHandler.php(267): Symfony\Component\ErrorHandler\ErrorHandler->reRegister(8191) #1 /var/www/shopware/vendor/symfony/error-handler/ErrorHandler.php(229): Symfony\Component\ErrorHandler\ErrorHandler->setLoggers(Array) #2 /var/www/shopware/vendor/symfony/error-handler/ErrorHandler.php(191): Symfony\Component\ErrorHandler\ErrorHandler->setDefaultLogger(Object(Symfony\Component\ErrorHandler\BufferingLogger)) #3 /var/www/shopware/vendor/symfony/runtime/Internal/SymfonyErrorHandler.php(52): Symfony\Component\ErrorHandler\ErrorHandler->__construct(Object(Symfony\Component\ErrorHandler\BufferingLogger), true) #4 /var/www/shopware/vendor/symfony/runtime/GenericRuntime.php(79): Symfony\Component\Runtime\Internal\SymfonyErrorHandler::register(true) #5 /var/www/shopware/vendor/symfony/runtime/SymfonyRuntime.php(166): Symfony\Component\Runtime\GenericRuntime->__construct(Array) #6 /var/www/shopware/vendor/autoload_runtime.php(16): Symfony\Component\Runtime\SymfonyRuntime->__construct(Array) #7 /var/www/shopware/public/index.php(11): require_once('/var/www/shopwa...') #8 {main} thrown in /var/www/shopware/vendor/symfony/error-handler/ErrorHandler.php on line 366