[Hero_Dx]

C:\Users\Hero\Desktop\us.pwn(11697) : warning 209: function "IRC_OnFilterScriptInit" should return a value
C:\Users\Hero\Desktop\us.pwn(11753) : error 021: symbol already defined: "IRC_OnFilterScriptInit"
C:\Users\Hero\Desktop\us.pwn(11915) : error 021: symbol already defined: "OnPlayerText"
C:\Users\Hero\Desktop\us.pwn(11954) : error 021: symbol already defined: "OnPlayerEnterVehicle"
C:\Users\Hero\Desktop\us.pwn(11964) : error 021: symbol already defined: "OnPlayerExitVehicle"
C:\Users\Hero\Desktop\us.pwn(11976) : error 021: symbol already defined: "OnPlayerSpawn"
C:\Users\Hero\Desktop\us.pwn(11987) : error 021: symbol already defined: "OnPlayerStateChange"
C:\Users\Hero\Desktop\us.pwn(12000) : error 021: symbol already defined: "Itter_OnPlayerConnect"
C:\Users\Hero\Desktop\us.pwn(12005) : error 021: symbol already defined: "CreateObject"
Pawn compiler 3.2.3664 Copyright © 1997-2006, ITB CompuPhase


8 Errors.
i got error how to fix it on this gm