Opening a saved MuseScore file too often results in file corruption. Have to remake the file from square one. Can you make Musescore without this bug?

Score and steps to reproduce needed

Corrupt files can almost always be repaired; see for example https://musescore.org/en/node/54721. So you shouldn't need to recreate anything from scratch. If you need further assistance fixing a corrupted file, please ask for help on the Support forum on attach your score.

And also https://musescore.org/en/node/335842