Mesh falls through geometry

[FAXCORP]

I just solved this in my case by enabling Physics Substepping as explained in this post

Physics simulating balls get stuck in wall (Pinball game)

Youtube Video showing issue As you can see in the video, the issue is balls getting stuck in the left and right collision volumes. It appears to happen when balls collide right next to it, the physics places the ball into the block, and it just can’t seem to get out. Things I’ve already tried to fix this: Both the balls’ static mesh components and the red collision volumes are using CCD. I’ve turned physics substepping up to it’s slider max of 16. I’ve increased the balls’ position and veloc…