when i open unreal engine, the static mesh of the tank get erased so everytime i have to set their static mesh.
i even have to select the physics material override of the tracks to my physics material track.
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I found this happening too whenever the relevant C++ code was altered (ie on TankTrack or TankBarrel). The only way was to delete and re-add the parts in the Component Browser and set them up again.
I don’t know if you ever got this resolved, but I was having the same issue with my ballista model when we were programming the movement of the “barrel” or in my case, projectile. I added the mesh as a sub-component of the C++ class. Here’s a hierarchy tree of my strategy, it’s been working fine and the models stay put.
