Failed to create the part's controls

Hi, I have a working recording. But when I saved it into a new name, closed it, and re-opened the file, I got this error “Failed to create the part’s controls”.

I followed the steps here:


And after copying the entire folder and renaming everything, I’m still getting the error message. Can anybody help me figure out what went wrong? Thanks.


please post your recording here. (zip the project folder)

Sorry, figured it out. I didn’t realize that files had to be copied within the program itself and not through windows explorer.