[TiNcH010]

Aver, intenta asi, vos proba:

pawn Код:

//----------------------------------------------------------

public OnPlayerRequestClass(playerid, classid)
{
    if(IsPlayerNPC(playerid)) {
        return 1;
        }
    if(gPlayerHasCitySelected[playerid]) {
        ClassSel_SetupCharSelection(playerid);
        return 1;
    } else {
        if(GetPlayerState(playerid) != PLAYER_STATE_SPECTATING) {
            TogglePlayerSpectating(playerid,1) ;
            TextDrawShowForPlayer(playerid, txtClassSelHelper);
            gPlayerCitySelection[playerid] = -1 ;
        }
    }
    
    return 0;
}

//----------------------------------------------------------

PD: Para poner codigos de pawno pone ['pawn]['/pawn] (Sin los apуstrofes xD)

EDIT: Podrнas pasar exactamente la linea de ese error, La 336?