My score will not load

You have done something very weird with the tuplets on the Bari part. The normal exchange voice twice and delete the whole rest doesn't fix it. I would suggest that you delete and re-enter measure 96. If you want to see what I mean about a weird triple, click both 3's and change the Bracket types to Bracket in the inspector.

If you are still unable to load the file, here's a hint :

The last time I saw this error message, I was able to tell Musescore ignore the error and load the file.

Then you can try to fix it as described in the previous reply.