Warning: require(/var/www/magento/vendor/mageplaza/magento-2-german-language-pack/registration.php): failed to open stream: No such file or directory in /var/www/magento/vendor/composer/autoload_real.php on line 59

Fatal error: require(): Failed opening required '/var/www/magento/vendor/mageplaza/magento-2-german-language-pack/registration.php' (include_path='/var/www/magento/vendor/magento/zendframework1/library:.:/usr/share/php') in /var/www/magento/vendor/composer/autoload_real.php on line 59