Warning: DOMXPath::query(): Invalid expression in /home/clients/16ca429d7ac6aa875a1061e1f715601a/sites/drowse.app/vendor/magento/framework/Config/Dom.php on line 338

Warning: Attempt to read property "length" on false in /home/clients/16ca429d7ac6aa875a1061e1f715601a/sites/drowse.app/vendor/magento/framework/Config/Dom.php on line 340

Warning: Attempt to read property "length" on false in /home/clients/16ca429d7ac6aa875a1061e1f715601a/sites/drowse.app/vendor/magento/framework/Config/Dom.php on line 347

Fatal error: Uncaught Error: Call to a member function appendChild() on null in /home/clients/16ca429d7ac6aa875a1061e1f715601a/sites/drowse.app/vendor/magento/framework/Config/Dom.php:218 Stack trace: #0 /home/clients/16ca429d7ac6aa875a1061e1f715601a/sites/drowse.app/vendor/magento/framework/Config/Dom.php(149): Magento\Framework\Config\Dom->_mergeNode(Object(DOMElement), '') #1 /home/clients/16ca429d7ac6aa875a1061e1f715601a/sites/drowse.app/vendor/magento/framework/Config/Reader/Filesystem.php(153): Magento\Framework\Config\Dom->merge('<?xml version="...') #2 /home/clients/16ca429d7ac6aa875a1061e1f715601a/sites/drowse.app/vendor/magento/framework/Config/Reader/Filesystem.php(131): Magento\Framework\Config\Reader\Filesystem->_readFiles(Object(Magento\Framework\Config\FileIterator)) #3 /home/clients/16ca429d7ac6aa875a1061e1f715601a/sites/drowse.app/vendor/magento/framework/App/ObjectManager/ConfigLoader.php(76): Magento\Framework\Config\Reader\Filesystem->read('global') #4 /home/clients/16ca429d7ac6aa875a1061e1f715601a/sites/drowse.app/vendor/magento/framework/App/ObjectManager/Environment/Developer.php(80): Magento\Framework\App\ObjectManager\ConfigLoader->load('global') #5 /home/clients/16ca429d7ac6aa875a1061e1f715601a/sites/drowse.app/vendor/magento/framework/App/ObjectManagerFactory.php(191): Magento\Framework\App\ObjectManager\Environment\Developer->configureObjectManager(Object(Magento\Framework\Interception\ObjectManager\Config\Developer), Array) #6 /home/clients/16ca429d7ac6aa875a1061e1f715601a/sites/drowse.app/vendor/magento/framework/App/Bootstrap.php(212): Magento\Framework\App\ObjectManagerFactory->create(Array) #7 /home/clients/16ca429d7ac6aa875a1061e1f715601a/sites/drowse.app/vendor/magento/framework/App/Bootstrap.php(127): Magento\Framework\App\Bootstrap->__construct(Object(Magento\Framework\App\ObjectManagerFactory), '/home/clients/1...', Array) #8 /home/clients/16ca429d7ac6aa875a1061e1f715601a/sites/drowse.app/index.php(38): Magento\Framework\App\Bootstrap::create('/home/clients/1...', Array) #9 {main} thrown in /home/clients/16ca429d7ac6aa875a1061e1f715601a/sites/drowse.app/vendor/magento/framework/Config/Dom.php on line 218