Sketchup skp file import not working

When trying to import my sketchup file into Twinmotion, nothing really appears.
I’ve tried importing it to a different pc and I’ve tried importing a simple 3d shape with no materials/textures applied but it didn’t help.

What I’ve found was that when I downloaded the file as SKP, nothing would appear when I imported it to Twinmotion. However, when I imported it as STL the general shape of the object appeared but all the colours/textures were gone and all the components that could usually be moved around were now fused together.

I can’t export it or download the file in any other format apart from SKP, STL and PNG since I’m using the free version of Sketchup.

I am currently using the web version of Sketchup (free version) and I’ve tried importing the file into Twinmotion trial 2022.2.3 and 2023.1.2.