[calzo2011]

I got 2 errors

Код:

C:\Users\Calum Smith\Desktop\LARP\gamemodes\larp.pwn(407) : error 017: undefined symbol "strreplace"
C:\Users\Calum Smith\Desktop\LARP\gamemodes\larp.pwn(409) : error 017: undefined symbol "ProxDetector"
Pawn compiler 3.2.3664	 	 	Copyright © 1997-2006, ITB CompuPhase


2 Errors.

What do I need to do to fix it?