Dialog funktioniert nicht...

#define DIALOG_TUNEMENU 98544482574
#define DIALOG_TUNEMENU1 98544482575
#define DIALOG_TUNEMENU2 98544482576
#define DIALOG_TUNEMENU3 98544482577


	if (strcmp("/cartune", cmdtext, true, 10) == 0 || strcmp("/tunecar", cmdtext, true, 10) == 0)
	{
		if(PlayerInfo[playerid][pJob] == 18)
		{

 		ShowPlayerDialog(playerid,DIALOG_TUNEMENU,DIALOG_STYLE_LIST, 
"Tune Menu","Nitro\nHydraulik\nWheels\nDesigns\nFarben", "OK", "");
			return 1;
		}
	}




	if(dialogid == DIALOG_TUNEMENU)
	{
		if(response)
		{
			if(listitem == 0){ AddVehicleComponent(GetPlayerVehicleID(playerid),1010); StartTuneSound(playerid);}
			if(listitem == 1){ AddVehicleComponent(GetPlayerVehicleID(playerid),1087); StartTuneSound(playerid);}

 		if(listitem == 2) return ShowPlayerDialog(playerid, 
DIALOG_TUNEMENU1, 
DIALOG_STYLE_LIST,"Wheels","Wire\nTwist\nAccess\nMega\nImport\nAtomic\nOfTwistfroad\nClassic",
 "OK", "Zurück");
			if(listitem == 3) return 
ShowPlayerDialog(playerid, DIALOG_TUNEMENU2, 
DIALOG_STYLE_LIST,"Design","Style 1 \nStyle 2 \nStyle 3 \nStyle 4 
\nStyle 5", "OK", "Zurück");
			if(listitem == 4) return 
ShowPlayerDialog(playerid, DIALOG_TUNEMENU3, 
DIALOG_STYLE_LIST,"Farben","Schwarz\nWeiß\nDunkelblau\nHellblau\nBlau\nGrün\nRot\nGelb\nPink",
 "OK", "Zurück");
		}
	}
	if(dialogid == DIALOG_TUNEMENU1)
	{
		if(response)
		{
			if(listitem == 0){ AddVehicleComponent(GetPlayerVehicleID(playerid),1081); StartTuneSound(playerid);}
			if(listitem == 1){ AddVehicleComponent(GetPlayerVehicleID(playerid),1078); StartTuneSound(playerid);}
			if(listitem == 2){ AddVehicleComponent(GetPlayerVehicleID(playerid),1098); StartTuneSound(playerid);}
			if(listitem == 3){ AddVehicleComponent(GetPlayerVehicleID(playerid),1074); StartTuneSound(playerid);}
			if(listitem == 4){ AddVehicleComponent(GetPlayerVehicleID(playerid),1082); StartTuneSound(playerid);}
			if(listitem == 5){ AddVehicleComponent(GetPlayerVehicleID(playerid),1085); StartTuneSound(playerid);}
			if(listitem == 6){ AddVehicleComponent(GetPlayerVehicleID(playerid),1025); StartTuneSound(playerid);}
			if(listitem == 7){ AddVehicleComponent(GetPlayerVehicleID(playerid),1077); StartTuneSound(playerid);}
		}
	}
	if(dialogid == DIALOG_TUNEMENU2)
	{
		if(response)
		{
			if(listitem == 0){ ChangeVehiclePaintjob(GetPlayerVehicleID(playerid),0); StartTuneSound(playerid);}
			if(listitem == 1){ ChangeVehiclePaintjob(GetPlayerVehicleID(playerid),1); StartTuneSound(playerid);}
			if(listitem == 2){ ChangeVehiclePaintjob(GetPlayerVehicleID(playerid),2); StartTuneSound(playerid);}
			if(listitem == 3){ ChangeVehiclePaintjob(GetPlayerVehicleID(playerid),3); StartTuneSound(playerid);}
			if(listitem == 4){ ChangeVehiclePaintjob(GetPlayerVehicleID(playerid),4); StartTuneSound(playerid);}
		}
	}
	if(dialogid == DIALOG_TUNEMENU3)
	{
		if(response)
		{
			if(listitem == 0){ ChangeVehicleColor(GetPlayerVehicleID(playerid),0,0); 	StartTuneSound(playerid);}
			if(listitem == 1){ ChangeVehicleColor(GetPlayerVehicleID(playerid),1,1); 	StartTuneSound(playerid);}
			if(listitem == 2){ ChangeVehicleColor(GetPlayerVehicleID(playerid),425,425); StartTuneSound(playerid);}
			if(listitem == 3){ ChangeVehicleColor(GetPlayerVehicleID(playerid),2,2); 	StartTuneSound(playerid);}
			if(listitem == 4){ ChangeVehicleColor(GetPlayerVehicleID(playerid),16,16);   StartTuneSound(playerid);}
			if(listitem == 5){ ChangeVehicleColor(GetPlayerVehicleID(playerid),3,3); 	StartTuneSound(playerid);}
			if(listitem == 6){ ChangeVehicleColor(GetPlayerVehicleID(playerid),6,6); 	StartTuneSound(playerid);}
			if(listitem == 7){ ChangeVehicleColor(GetPlayerVehicleID(playerid),146,146); StartTuneSound(playerid);}
		}
	}