Hi, I'm trying to do the hardening of the wrapper, but when I launch the "make user_project_wrapper" have an error asking for a file in "caravel/openlane/user_project_wrapper_empty" but that file does not exist, I try to use caravel-lite and caravel, but same result.

Sounds like this bug

I just change the tag for the openlane to 2021.12.28_01.47.52 and seems the issue is fix now. Also other issue that was that the output was not copy to the appropriate folders. So for now I will continue with that. If I get stuck again I will fall back to your solution.