[Grand_Micha]

pawn Код:

if(!strcmp(cmd, "/leavemission",1))
{
            if(PlayerIsTrucking[playerid] == 1)
            {
                if(IsATruck(Batz))
                {
                    DisablePlayerCheckpoint(playerid);
                    PlayerIsTrucking[playerid] = 0;
                    SendClientMessage(playerid, COLOR_WHITE, "You have stopped your mission");
                    new Batz = GetPlayerVehicleID(playerid);
                    RemovePlayerFromVehicle(playerid);
                    SetVehicleToRespawn(Batz);
                    return TogglePlayerControllable(playerid,1);
                }
                else return SendClientMessage(playerid, COLOR_WHITE, "Where is your truck? Consider this.");
            }
            else
            {
                SendClientMessage(playerid, COLOR_GREY, "You are not on any mission!");
                return 1;
            }
            return 1;
}

Updated!