File Corruption

I have been trying to fix these corruptions for the love of me but no matter what I do it doesn't get fixed.

Incomplete measure: Part score: Piccolo, measure 83, staff 1. Found: 0/1. Expected: 4/4.
Incomplete measure: Part score: Piccolo, measure 84, staff 1. Found: 18/16. Expected: 4/4.
Incomplete measure: Part score: Piccolo, measure 85, staff 1. Found: 0/1. Expected: 4/4.
Incomplete measure: Part score: Piccolo, measure 86, staff 1. Found: 0/1. Expected: 4/4.

Any tips?

Thanks!