Hi Viki,Please use resourceresolver, /system/console/jcrresolver, to resolve the URL and check Adding a .xml extension triggers the default XML rendering, once again unless a more specific script or servlet is registered for the current resource.That XML rendering currently uses the JCR "document view" export functionality directly, so it only supports rendering resources that are backed by JCR nodes.sling-org-apache-sling-models-impl/ModelAdapterFactory.java at master · apache/sling-org-apache-...

You need to change at validation.js, error is occuring because function is not definedOverlay file in apps and make change /libs/cq/gui/components/authoring/dialog/richtext/clientlibs/rte/coralui3/js/validation.js getName: function() { return editor.getAttribute('name'); }, setName: function(value) { container.querySelector("input[type='hidden'][data-cq-richtext-input='true']").name = value; editor.setAttribute('name', value); }