[SpikY_]

I can't figure out the Problem in the snippet.

PHP код:

stock PlayerPosition(playerid, Float:X, Float:Y, Float:Z)
{
  new Float:XP,Float:YP,Float:ZP;
  GetPlayerPos(playerid,XP,YP,ZP);
  return (XP - X) + (YP - Y) + (ZP - Z); //error line
}