[tom_jonez]

pawn Код:

new coVehicle = GetPlayerStreamVehicleID(playerid);
    if(GetCreatorID(coVehicle)!=0)
    {
        if (!strcmp(VehicleSystem[GetCreatorID(coVehicle)][owner],Spielername(playerid),true))
        {
            new ex[128];
            format(ex,sizeof(ex),"[ Vehicle Owner: %s ]",VehicleSystem[GetCreatorID(coVehicle)][owner]);
            SendClientMessage(playerid,COLOR_YELLOW,ex);
        }
        else if(!strcmp(VehicleSystem[GetCreatorID(coVehicle)][owner],"dealercar",true))
        {   
            if(!IsPlayerAdmin(playerid)){ TogglePlayerControllable(playerid,0); }
            new fffx[128];
            format(fffx,sizeof(fffx),"This Vehicle is for Sale. Price %d$",VehicleSystem[GetCreatorID(coVehicle)][preis]);
            SendClientMessage(playerid,COLOR_WHITE,fffx);
            SendClientMessage(playerid,COLOR_YELLOW,"Use /buyveh to Buy it.");
        }
        else
        {
            new ex[128];
            format(ex,sizeof(ex),"[ Vehicle Owner: %s ]",VehicleSystem[GetCreatorID(coVehicle)][owner]);
            SendClientMessage(playerid,COLOR_YELLOW,ex);
        }
    }

try that, unless u made a command called strmatch, theres no such thing, so use strcmp.