getting an error when trying to export .obj

I’m trying to export a .obj (with UVs), but all I get is an empty file and this error:

Would be great if someone could help…

Make sure you don’t have any “non-English” characters in any file paths, names of any objects, materials etc.

phew, it worked. Thanks.
I forgot that this is one of the files I started working on before I got into the habit of naming everything in english ^^’