Textures Automatically adjusts

Dear all,

I have set up a new model using SketchUp pro-2017. and textured one by one carefully with texture adjustment tool. but when I open it In Skip 2018 all the texture mapping I did was gone. This also happens when importing into Lumion software.

Does anyone has a solution or faced this before.

If you upload the model privately to the 3D Warehouse in SketchUp Pro 2017 and download it with SketchUp Pro 2018, then does that solve the problem?