[NexySamp]

Hello,how to fix these errors

Код:

C:\Users\Korisnik\Desktop\Yugoslavia Trucking v.0.3.7\gamemodes\YT.pwn(287) : error 017: undefined symbol "GetStampIP"
C:\Users\Korisnik\Desktop\Yugoslavia Trucking v.0.3.7\gamemodes\YT.pwn(291) : warning 225: unreachable code
C:\Users\Korisnik\Desktop\Yugoslavia Trucking v.0.3.7\gamemodes\YT.pwn(291) : error 029: invalid expression, assumed zero
C:\Users\Korisnik\Desktop\Yugoslavia Trucking v.0.3.7\gamemodes\YT.pwn(291) : error 017: undefined symbol "GetStampIP"
Pawn compiler 3.2.3664	 	 	Copyright © 1997-2006, ITB CompuPhase


3 Errors.

Code: http://pastebin.com/mJiuCQet