If you have no linked FM files in your project, my guess is that the rhextdocauxdata.apj file appears in the Unused Files report. If so, it can be safely deleted.
Thanks. Funny thing is that it is appearing as a used file in Robohelp.
However we don't link anything from Frame.
When I delelte the file, Robohelp creates a new version when I reopen the project again?
What happens if you close the project, clobber the .CPD and re-open the project? Does it still ask for the file?
You have stated that you have different authors working on the same project. Are they all in it simultaneously? Or does each author have his/her own section or different project that is later merged to present as a complete picture?
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Yes. I tried deleting the .cpd file, but it still asks for that file. The writers all work simulataneously on a single project. However, each writer owns a particluar set of folders in the project. The only time they really work on the same files is when editing the TOC, Index,. etc.