Load-in Previous Version, Double Time Signature + Crash

When loading in a score from musescore 2, I get two time signatures in one measure, when I try to get rid of it the program crashes (deleting time signatures or the measure causes this). Replacing the first instance of the time signature with a new time signature (dragging new time signature on top of old) then deleting the new time signature is the only workaround I've found so far.