Here we can report any bugs/ problem in the system.
We should attach the screenshot of the bug, for example:
Then we should add link to the entity, where there is a problem: https://3d-repository.hs-mainz.de/wisski/navigate/655/view?wisski_bundle=bd3d7baa74856d141bcff7b4193fa128
Next, we should describe the problem: I cannot see the textures on my model in the viewer.
The last thing is...
Open programming tools in your Web browser (Windows CTRL+Shift+I, MacOS: Option + ⌘ + C), go to Console and make a screenshot of the output or copy the content.
You're bug report is done!