Takeoff : 18-Jul-17 2128 Z
Aircraft : 5300
ARWOs : jd, kl
Flight hours : 5.00
Mission ID : 0305A DON
Comments : 0305A DON downgraded to an open wave
Equipment : Graph manager error, mission file empty, when opening mission, which then froze up program. Tried multiple missions and restarted computer with no success. Deleted all old missions and restarted both GM and MM which fixed the problem.