[POMOC] Pawno Problem

(4879) : warning 202: number of arguments does not match definition
(8965) : error 029: invalid expression, assumed zero
(8965) : warning 215: expression has no effect
(8965) : error 001: expected token: ";", but found "if"
(8965) : error 017: undefined symbol "IsAnInstructor"
(8965) : fatal error 107: too many error messages on one line

Compilation aborted.Pawn compiler 3.2.3664	 	 	Copyright (c) 1997-2006, ITB CompuPhase

4 Errors.

  else if(IsAnInstructor(targetid))//Driving/Flying School Ranks i 
SetPlayerPos(playerid, 271,1031.0298,-1442.8163,13.5546); 

 else if(IsAnInstructor(targetid))//Driving/Flying School Ranks i 
	SetPlayerPos(playerid, 1031.0298,-1442.8163,13.5546);

(8965) : error 029: invalid expression, assumed zero
(8965) : warning 215: expression has no effect
(8965) : error 001: expected token: ";", but found "if"
(8965) : error 017: undefined symbol "IsAnInstructor"
(8965) : fatal error 107: too many error messages on one line

else if(IsAnInstructor(targetid))//Driving/Flying School Ranks
{
if(PlayerInfo == 1) { rtext = "Pomagać"; }
else if(PlayerInfo == 2) { rtext = "Å pijun"; }
else if(PlayerInfo == 3) { rtext = "Protjerivać"; }
else if(PlayerInfo == 4) { rtext = "Ubica"; }
else if(PlayerInfo == 5) { rtext = "Prof. Ubica"; }
else if(PlayerInfo == 6) { rtext = "Gazda"; }
else { rtext = "Trainee"; }
}