Grabber Error!

I’m using the latest svn version of wiremod, whenever any one uses a grabber on a prop it keeps saying,

sv: Wire error (Entity [232][gmod_wire_grabber]): entities/gmod_wire_grabber/init.lua:231: attempt to call method ‘CPPICanPhysgun’ (a nil value)

help

Wrong Forum

http://www.facepunch.com/showthread.php?t=748225

Also, reinstalling might work. Also did you download it from gmod.org or Use svn?