Help setElementPosition radarArea

[pepsi18]

hi i am trying to do some areas anti zombie

every so often change positions but sometimes collide areas

and I want to change positions not collide

function setRadarAreaPosition(area, posx, posy) 
   for _, radararea in ipairs(getElementsByType("radararea")) do 
      if isInsideRadarArea( radararea, posx, posy)  and radararea ~= area then 
         setRadarAreaPosition(area, math.random(-3000, 3000), math.random(-3000, 3000)) 
      else 
         setElementPosition( area, posx, posy ) 
      end 
   end 
end 

[Best-Killer]

Error ?? use /debugscritp 3