Look at the platform! I exported the platform made in the blender and this bug happened! Does anyone know how to solve it?
It’s hard to tell at the moment what we are seeing here. Would you mind elaborating on what we are looking at?
It looks from this single image that your normals are inverted. If that is the case, here is a Non-Epic affiliated tutorial on how to correct that issue:
I hope the above solution works for you!
It’s dont’t working! I try!
If that did not work, would you mind sharing your blender export settings? It looks like we need more information from you to solve your problem.
In UE, are your materials double sided? Does your model have double sided geometry turned on?
Any additional information you can provide will be a big help!