The latest patch will prevent the problem from occurring. If your latest save works (if there are missing files, you might need to quit Divinity and re-start for the problem to show up), then the patch should make sure you do not run into this again. However, if you have a saved game with missing files, or loaded such a save and re-saved it (so the missing files were replaced with default versions), the 1.34 version does not fix the save.
