[deb014]

C:\Users\MIJN PC\Documents\GAMEMODESSSSSS\Impact Gaming\gamemodes\IGRP.pwn(6032) : error 029: invalid expression, assumed zero
C:\Users\MIJN PC\Documents\GAMEMODESSSSSS\Impact Gaming\gamemodes\IGRP.pwn(604 : error 001: expected token: ";", but found "return"
C:\Users\MIJN PC\Documents\GAMEMODESSSSSS\Impact Gaming\gamemodes\IGRP.pwn(6051) : error 029: invalid expression, assumed zero
C:\Users\MIJN PC\Documents\GAMEMODESSSSSS\Impact Gaming\gamemodes\IGRP.pwn(6070) : error 029: invalid expression, assumed zero

if(UserInfo[playerid][uFaction] != 1) // PD
else if(UserInfo[playerid][uFaction] != 2)
else if(UserInfo[playerid][uFaction] != 3) // DOC

C:\Users\MIJN PC\Documents\GAMEMODESSSSSS\Impact Gaming\gamemodes\IGRP.pwn(6093) : warning 217: loose indentation

correct the identation of your code, or simply add #pragma tabsize 0 after defines in your script.