Quiz Show Error

I got the Quiz Show NPC and Arco's quiz show fix code, and this is what happens when I try to start the quiz show by NPC:
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This is the NPC i'm using:

Code:

#region Quiz Show
                            case 300003:
                                {
                                    if (Control == 0)
                                    {
                                        GC.AddSend(Packets.NPCSay("Do you want to Start Quiz Show I can do that but You need to pay me 10000 CPs."));
                                        GC.AddSend(Packets.NPCLink("Yeah.", 1));
                                        GC.AddSend(Packets.NPCLink("Just passing by", 255));
                                        GC.AddSend(Packets.NPCSetFace(N.Avatar));
                                        GC.AddSend(Packets.NPCFinish());
                                    }
                                    if (Control == 1)
                                    {
                                        if (GC.MyChar.CPs >= 10000)
                                        {
                                            GC.MyChar.CPs -= 10000;
                                            Features.QuizShow.Start();
                                            GC.AddSend(Packets.NPCSay("There Hapy Now"));
                                            GC.AddSend(Packets.NPCLink("Ok then.", 255));
                                            GC.AddSend(Packets.NPCSetFace(N.Avatar));
                                            GC.AddSend(Packets.NPCFinish());
                                        } 
                                        else
                                        {
                                            GC.AddSend(Packets.NPCSay("As i said... you need 10000 CPs. Why do i need to repeat myself?"));
                                            GC.AddSend(Packets.NPCLink("Alright alright.", 255));
                                            GC.AddSend(Packets.NPCSetFace(N.Avatar));
                                            GC.AddSend(Packets.NPCFinish());
                                        }
                                    }
                                    break;
                                }
                            #endregion

Help please.
Thanks!