Data Model error

I am getting the following error in Excel. 

"We couldn't get data from the Data Model. Here's the error message we got: 

An unexpected error occurred (file 'pcminorobjcoll.inl' , line 109, function 'PCMinorObjectCollection<class PCProperty, class NameHashSupport> :: SetNameAndUpdateCollection').

I have found various articles that have suggested going through and checking the source data headings. I did this and nothing seems to be out of the ordinary. https://contexturesblog.com/archives/2020/03/26/excel-pivot-table-refresh-error-with-data-model/

Is there anyone that can help me? The document is fairly large and used frequently by staff. I'd like to avoid recreating it, or tearing it apart. If possible.