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I have a parent node, with about 8-10 children underneath. Recently, I have been unable to gain access to those pages in the Back Office. I can browse to them in the front-end, and the arrow appears next to the parent folder indicating sub-pages exist. But when I click the arrow, it does not expand to show the children.
At first it looks to be loading, then stops and the arrow to expand disappears.
Took a peek at the Browser Console and it is returning an error:
500 Internal Server Error
[NullReferenceException: Object reference not set to an instance of an object.]
umbraco.cms.presentation.Trees.BaseContentTree.GetUserActionsForNode(Document dd) +45
umbraco.cms.presentation.Trees.BaseContentTree.Render(XmlTree& Tree) +114
umbraco.loadContent.Render(XmlTree& tree) +19
umbraco.presentation.webservices.TreeDataService.LoadTree(TreeRequestParams treeParams) +76
umbraco.presentation.webservices.TreeDataService.ProcessRequest(HttpContext context) +55
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +75
Fixed! I had removed a user (manually) who still had nodes attributed.
Just needed to update the umbracoNode table and change the nodeUser
figured it out, it's fixed. This is a great Post!!! :-)
just wondering if you could help me out with the same error you've had. I'm got this on a few pages within a site we've built.
for example I'm getting http://www.wuth.nhs.uk/umbraco/webservices/TreeDataService.ashx?rnd=0884dac504ce41c9bf24c793ef12b828&id=1709&treeType=content&contextMenu=true&isDialog=false&rnd2=30.5
I've checked the umbracoNode table and changed the nodeUser from - '2' to a new users which I've created, however still getting the same error. Can you explain what you mean about the 'nodes attributed' - is this in another column in a different table?
thanks in advance.
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