Fatal error: Uncaught Magento\Framework\Exception\LocalizedException: Invalid Document Element 'preference': This element is not expected. Expected is ( argument ). Line: 37 in /var/www/v2_preprod/vendor/magento/framework/Config/Reader/Filesystem.php:168 Stack trace: #0 /var/www/v2_preprod/vendor/magento/framework/Config/Reader/Filesystem.php(132): Magento\Framework\Config\Reader\Filesystem->_readFiles(Object(Magento\Framework\Config\FileIterator)) #1 /var/www/v2_preprod/vendor/magento/framework/App/ObjectManager/ConfigLoader.php(76): Magento\Framework\Config\Reader\Filesystem->read('global') #2 /var/www/v2_preprod/vendor/magento/framework/App/ObjectManager/Environment/Developer.php(79): Magento\Framework\App\ObjectManager\ConfigLoader->load('global') #3 /var/www/v2_preprod/vendor/magento/framework/App/ObjectManagerFactory.php(191): Magento\Framework\App\ObjectManager\Environment\Developer->configureObjectManager(Object(Magento\Framework\Interception\ObjectManager\Config\Developer), Array) #4 /var/www/v2_preprod/vendor/magento/framework/App/Bootstrap.php(212): Magento\Framework\App\ObjectManagerFactory->create(Array) #5 /var/www/v2_preprod/vendor/magento/framework/App/Bootstrap.php(127): Magento\Framework\App\Bootstrap->__construct(Object(Magento\Framework\App\ObjectManagerFactory), '/var/www/v2_pre...', Array) #6 /var/www/v2_preprod/pub/index.php(27): Magento\Framework\App\Bootstrap::create('/var/www/v2_pre...', Array) #7 {main} thrown in /var/www/v2_preprod/vendor/magento/framework/Config/Reader/Filesystem.php on line 168