There is a map with the same name in the steam workshop LoL

How can I make that the weapons can only be taken one time?

Actually I don't know exactly where this post goes, but since I can't open my map in radiant I guess that scripting help is the place.
Today I started to make some changes to my map (it's called zm_outofnamesideas), everything was going fine, but I decided to change some things. ...