Converting finale xml files with time signature grp to Dorico - ends up looking like spaghetti soup

I have literally thousands of orchestral finale files. I simply can’t go through each one and rewrite it (essentially) before sending to mxl and then to Dorico. This is kind of a big disaster if I can’t find a quick effective way to fix this problem, which actually is a Finale problem obviously - but it’s some kind of rounding error I believe when using edu’s for composite time signatures, as in the image below…