This functionality has always been causing problems on Webdev from version 22 to 25. When I was working on 22 I was hopping that in the future versions this functionality would be repair, but this has not happened yet.
The error that often comes after doing this process is:
"An unexpected system error has been detected in the process of the page '$$PageSupportStyleRuban$$'.
If the problem persist please send the project to PCSOFT Technical Support."
So I did once but they did not solve anything then or in 25 version.