Fatal error: Uncaught Error: Class 'Magento\Config\Setup\ConfigOptionsList' not found in /home/grusskartenladen/public_html/vendor/magento/module-developer/Model/Logger/Handler/Debug.php:69 Stack trace: #0 /home/grusskartenladen/public_html/vendor/magento/module-developer/Model/Logger/Handler/Debug.php(56): Magento\Developer\Model\Logger\Handler\Debug->isLoggingEnabled() #1 /home/grusskartenladen/public_html/vendor/monolog/monolog/src/Monolog/Handler/AbstractProcessingHandler.php(31): Magento\Developer\Model\Logger\Handler\Debug->isHandling(Array) #2 /home/grusskartenladen/public_html/vendor/monolog/monolog/src/Monolog/Logger.php(344): Monolog\Handler\AbstractProcessingHandler->handle(Array) #3 /home/grusskartenladen/public_html/vendor/magento/framework/Logger/Monolog.php(48): Monolog\Logger->addRecord(500, Object(Error), Array) #4 /home/grusskartenladen/public_html/vendor/monolog/monolog/src/Monolog/Logger.php(740): Magento\Framework\Logger\Monolog->addRecord(500, Object(Error), Array) #5 /home/grusskartenladen/public_ht in /home/grusskartenladen/public_html/vendor/magento/module-developer/Model/Logger/Handler/Debug.php on line 69