DNA import MyHeritage match list format not recognised

The import of a MyHeritage match list generated by DNAGEDCOM (as per the instrcutiions on RFinder) into a new profile is giving me
This import is not recognised. please contact support
The file I’m selecting is a newly produced (using DNAGEDCOM on a Mac running Catalina, build
_Matches.csv file
The file is not empty and not huge.

I’m sorry for the late response. Could you please send the file to me? I’ll take a look at it and figure out the problem. My email is dallan at rootsfinder.com