This issue has been ongoing for about 2 years now, and nothing has been done to fix it. I just had it happen again with the group I was playing with. If DE is incapable of fixing this bug, just take the mission objective out of rotation. The only other posts I ever made on the boards was for this issue. Years later and nothing has ever been done about it, and it's looking unlikely to be fixed for Railjack 3.0.