When trying to search for a group it throws an error and stops the instance finder from working. it stays stuck in searching mode

8x [ADDON_ACTION_BLOCKED] AddOn 'LFG_MatchMaker_TBC' tried to call the protected function 'Search()'.
[string "@!BugGrabber\BugGrabber.lua"]:519: in function <!BugGrabber\BugGrabber.lua:519>
[string "=[C]"]: in function Search' [string "@Blizzard_LookingForGroupUI\Blizzard_LFGFrame.lua"]:534: in function SendLFMQuery'
[string "@Blizzard_LookingForGroupUI\Blizzard_LFGFrame.lua"]:240: in function SearchActiveEntry' [string "@Blizzard_LookingForGroupUI\Blizzard_LFGFrame.lua"]:67: in function LFGParentFrame_LFMSearchActiveEntry'
[string "@Blizzard_LookingForGroupUI\Blizzard_LFGFrame.lua"]:646: in function <...Ons\Blizzard_LookingForGroupUI\Blizzard_LFGFrame.lua:639>