Error loading document for topicref: ...

This error occurs when a document referenced by a DITA map failed to load incorrectly.

The error message contains the actual error that caused loading to fail. Common causes include:

  • “Unable to retrieve reference with permanent ID "…"”: the href attribute of the topicref contained a reference ID that could not be resolved by the CMS.

  • “cannot GET http://…/document?… (XXX)”: the CMS returned an error when Fonto Editor attempted to load the document.

  • “The DOM failed validation”: See “The following nodes failed validation”.