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Hi, when I try to export the level I made with MeshEdit to an obj, it doesn't export and instead gives me this error:

ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index

Do you know what's wrong?

Hi Brandon, sorry for the issue.
Have you used the Tile Edit mode at all? You can get an error exporting the model to an .obj if the uvs haven't been changed. If you haven't, try switching to Tile Edit mode, selecting a tileset and painting any face, then re-export your model.

Do you have any other info? A line number or a screenshot of Unity's error trace would help a lot.

Hope that helps!