Is there any fix for this? If I cancel the error popup enough times it eventually advances time but it's still fairly gamebreaking. Steps leading up to the error:
1. Fighter transport ship explodes
2. I detach an FAC from a sector defense group and give it orders to rescue survivors, release at colony, and rejoin it's group.
3. I move another FAC from defense group to new group.
4. Next turn the errors start.
I'm thinking maybe the orders from the exploded transport's task group are still trying to be carried out, but the group doesn't exist for me to find and cancel the orders.