Can not open my drawing


I just started using Sketchup and am modeling a factory I planned. I worked on it the whole day today and as I just wanted to re-open I got the error message: Fehler beim Öffnen des Dokuments (eng: error while opening the document).

I have an autocad drawing imported as a layer to build the 3D-models on, so the file size was not that small. Now the explorer says it has 1.2 MB…

I saved the file in a random folder on my SSD, if that is of interest/ a problem

Does anybody know what went wrong? Is there a way to fix it or to avoid that problem in the future?

Layout.skp (1.1 MB)

If you attach your model someone may be able to find the problem with it.
I’ll just ping @colin as he has some special tools. But there’s no point if you don’t attach the model.

I edited OP and added the file, thanks for the heads up

Looks like it is corrupted in some way.

Screenshot 2021-08-11 at 17.26.12