Please Help

[2013martin1212]

I cant figure out to how to turn off the development mode on my server , because if any one type in to the chat /showcol and show me the red colision to the player and the cars etc.

[DNL291]

https://wiki.multitheftauto.com/wiki/SetDevelopmentMode

setDevelopmentMode( false ) 

[2013martin1212]

there is my sourceS

  
  
function devmode () 
    setDevelopmentMode (false) 
end 
addCommandHandler("devmode", devmode) 

and there is my meta

but it doesnt work for me because it says it

[KariiiM]

there is my sourceS

  
  
function devmode () 
    setDevelopmentMode (false) 
end 
addCommandHandler("devmode", devmode) 

and there is my meta

Show us the debugscript 3 errors

[tuaos]

there is my sourceS

  
  
function devmode () 
    setDevelopmentMode (false) 
end 
addCommandHandler("devmode", devmode) 

and there is my meta

but it doesnt work for me because it says it

setDevelopementMode is Client-Sided