[RenSoprano]

Show us your script where it's can't spawn cars

To disabled it's very easy

pawn Код:

new InDM[MAX_PLAYERS]; // we declare the params

public OnPlayerConnect(playerid)
{
    InDM[playerid] = 0; // This will reset the params
    return 1;
}

CMD:veh(playerid, params[])
{
    if(InDM[playerid] == 0) return SendClientMessage(playerid, -1, "You are not allowned to use this command right now");
    return 1;
}