Am I right in thinking that your topics were created by importing a Word file? If so, do your topics also have these XREF titles? When your Word file was imported, did you have field codes displayed.
Read the RoboColum(n).
My documents are in Frame.
The fix for this problem is to set File>Project Settings>Import>CSS for Style Mapping>Link Option>Create a Copy and Link
However, when I Tools>Auto-create TOC I get TOC references and IX references in the TOC file.