Many Issues, to many beats in a Measure, Random crashing.
S2 - Critical
On Measure 57-71 Its to many beats in the measure and I can't delete it without crashing and I can't work because of it I need help.
Try the attached midi file if you still can't make the score work.
Indeed, the score reports that it is corrupted. So the question is, can you remember the steps that led to this problem? I'm guessing the cause might be https://github.com/musescore/MuseScore/issues/15185
For help fixing corruptions, see https://musescore.org/en/node/54721, and if you have further questions about fixing your score, please ask on the Support forum.