[Calon]

pawn Код:

if (PlayerInfo[playerid][pLeader] != 0) 
            {
                teamnumber = PlayerInfo[playerid][pLeader];
            } 
            else 
            {
            if (PlayerInfo[playerid][pMember] != 0) 
            {
                teamnumber = PlayerInfo[playerid][pMember];
            }
            else
            {
                SendClientMessage(playerid, COLOR_GRAD1, "Sa pole orginatsioonides!");
                return 1;
            }

Might be the brackets, as you're using so many in excess, with some missing, see what happens whilst replacing this code with your current.