It seems that applying <Flag>sticky</Flag> to a weapon's projectile can cause the game to crash randomly when the projectile sticks to a vehicle. It also creates bizarre problems with vehicle physics, causing them to shoot into the ground or jerk around in the air when the projectile attaches. Unfortunately, applying <Flag>detonate on vehicle collision</Flag> to the projectile still doesn't stop the random crashing. What is the cause of this, and can it be fixed?