I have an older file on SU 2014 that I am working on. My first problem is that I can’t see the thumbnails of models in 3D warehouse. So I went to think link: https://3dwarehouse.sketchup.com/
to download a model, which opens in SU 2015. I’m having a problem copying that model and pasting it into my drawing. Is that because the file is 2015 and I’m working with 2014? Does anyone know how to fix this?