Describe the bug
I think this might be only when moving the spaceship to a location which is occupied by part of the spaceship.

To Reproduce
Steps to reproduce the behavior:

1. Set the X Y Z delta to small values so that the ship would occupy some of the same spaces (including not moving it at all)
2. Click the button to effect the move (large check box if I remember correctly)
3. After 100% is reached, click the OK (no other choices available, perhaps a cancel would be good here)
4. Crash, restart and then don't do that.

Screenshots
Not possible

Additional context
Nope.

Version
Java 01.08.0291
MC 01.16.0005
Forge 36.02.02
FP 31.02.6976

All mods:
forge-1.16.5-36.2.2-universal.jar
Futurepack-1.16.5-31.2.6976.jar
create-mc1.16.5_v0.3.2d.jar
gravestone-1.16.4-1.0.8.jar
jei-1.16.4-7.6.1.65.jar
journeymap-1.16.5-5.7.3.jar
Neat+1.7-27.jar
twilightforest-1.16.5-4.0.412-universal.jar
flywheel-1.16-0.2.3.jar

Logs
If needed.