My musescore is corrupted

Whenever i try to upload sheet music it says file corrupted and says the problem is Incomplete measure: Full score, measure 54, staff 1. Found: 0/1. Expected: 2/2.
Incomplete measure: Full score, measure 54, staff 2. Found: 0/1. Expected: 2/2.
Incomplete measure: Full score, measure 55, staff 1. Found: 0/1. Expected: 2/2.
Incomplete measure: Full score, measure 55, staff 2. Found: 0/1. Expected: 2/2.
Incomplete measure: Full score, measure 56, staff 1. Found: 0/1. Expected: 2/2.
Incomplete measure: Full score, measure 56, staff 2. Found: 0/1. Expected: 2/2.
Incomplete measure: Full score, measure 57, staff 1. Found: 0/1. Expected: 2/2.
Incomplete measure: Full score, measure 57, staff 2. Found: 0/1. Expected: 2/2.
Incomplete measure: Full score, measure 58, staff 1. Found: 0/1. Expected: 2/2.
Incomplete measure: Full score, measure 58, staff 2. Found: 0/1. Expected: 2/2.
Incomplete measure: Full score, measure 59, staff 1. Found: 0/1. Expected: 2/2.
Incomplete measure: Full score, measure 59, staff 2. Found: 0/1. Expected: 2/2.