Notice: Undefined index: frontend in /usr/www/users/apprimus/www.apprimus-verlag.de/web/vendor/magento/framework/App/Cache/Frontend/Pool.php on line 90

Warning: array_replace_recursive(): Expected parameter 2 to be an array, null given in /usr/www/users/apprimus/www.apprimus-verlag.de/web/vendor/magento/framework/App/Cache/Frontend/Pool.php on line 90

Warning: Invalid argument supplied for foreach() in /usr/www/users/apprimus/www.apprimus-verlag.de/web/vendor/magento/framework/App/Cache/Frontend/Pool.php on line 68

Fatal error: Uncaught InvalidArgumentException: Cache frontend 'default' is not recognized. As well as defaultcache is not configured in /usr/www/users/apprimus/www.apprimus-verlag.de/web/vendor/magento/framework/App/Cache/Frontend/Pool.php:162 Stack trace: #0 /usr/www/users/apprimus/www.apprimus-verlag.de/web/vendor/magento/framework/App/Cache/Type/FrontendPool.php(87): Magento\Framework\App\Cache\Frontend\Pool->get('default') #1 /usr/www/users/apprimus/www.apprimus-verlag.de/web/vendor/magento/framework/App/Cache/Type/Config.php(49): Magento\Framework\App\Cache\Type\FrontendPool->get('config') #2 /usr/www/users/apprimus/www.apprimus-verlag.de/web/vendor/magento/framework/Cache/Frontend/Decorator/Bare.php(65): Magento\Framework\App\Cache\Type\Config->_getFrontend() #3 /usr/www/users/apprimus/www.apprimus-verlag.de/web/vendor/magento/framework/App/ObjectManager/ConfigLoader.php(73): Magento\Framework\Cache\Frontend\Decorator\Bare->load('global::DiConfi...') #4 /usr/www/users/apprimus/www.apprimus-verlag.de/web/vendor/mage in /usr/www/users/apprimus/www.apprimus-verlag.de/web/vendor/magento/framework/App/Cache/Frontend/Pool.php on line 162