I'm creating an animation that involves several compression springs. I have created these springs all the same way and are each driven by a sketch that is constrained via an in-context relation as many users have done. They all work great anywhere in the timeline of the animation where I regenerate the assembly. So all the in-context relations are working fine; however, when it comes to animating either by moving the time slider, or saving the rendering as screenshots or PhotoView, only one of the springs actually regenerates with each frame that it is acted upon. The other two don't regenerate. I'm pulling my hair out here as I can't see anything that is different between them. Is there some way to force a regen between every frame? Why is one working an the others aren't?