Hi Michal,
Thanks for replying, in the meantime I've solved the problem with the error, RailClone object name was accidentally changed and didn't match the library entry.
Still I have a problem with two of the presets not loading at all, withouth any error messages. I've double checked the paths and object names, everything is correct.
What's weird is that I made several presets that day, two of them are not loading and the rest is working fine. All of them are saved in the same folder on a network drive. When I move the file to a local drive and create a new entry in the library it works, but not from network drive where we keep all our other presets.
kind regards