[Problem]

How can I fix this?
Here is the code and screenshot:
Code:
                            #region Seller
                            case 789012:
                                {
                                    if (Control == 0)
                                    {
                                        GC.AddSend(Packets.NPCSay("Which of these items would you like to buy?"));
                                        GC.AddSend(Packets.NPCLink("MoonBox", 1));
                                        GC.AddSend(Packets.NPCLink("EuxeniteOre", 2));
                                        GC.AddSend(Packets.NPCLink("Emerald", 3));
                                        GC.AddSend(Packets.NPCLink("MeteorTear", 4));
                                        GC.AddSend(Packets.NPCSetFace(30));
                                        GC.AddSend(Packets.NPCFinish());
                                    }
                                    if (Control == 1)
                                    {
                                        GC.MyChar.CPs -= 10000;
                                        GC.MyChar.AddItem(721080);
                                        {
                                            GC.AddSend(Packets.NPCSay("Here you go"));
                                            GC.AddSend(Packets.NPCSetFace(30));
                                            GC.AddSend(Packets.NPCFinish());
                                        }
                                    }
                                    if (Control == 2)
                                    {
                                        GC.MyChar.CPs -= 10000;
                                        GC.MyChar.AddItem(1072031);
                                        {
                                            GC.AddSend(Packets.NPCSay("Here you go"));
                                            GC.AddSend(Packets.NPCSetFace(30));
                                            GC.AddSend(Packets.NPCFinish());
                                        }
                                    }
                                    if (Control == 3)
                                    {
                                        GC.MyChar.CPs -= 10000;
                                        GC.MyChar.AddItem(1080001);
                                        {
                                            GC.AddSend(Packets.NPCSay("Here you go"));
                                            GC.AddSend(Packets.NPCSetFace(30));
                                            GC.AddSend(Packets.NPCFinish());
                                        }
                                    }
                                    if (Control == 4)
                                    {
                                        GC.MyChar.CPs -= 10000;
                                        GC.MyChar.AddItem(1088002);
                                        {
                                            GC.AddSend(Packets.NPCSay("Here you go"));
                                            GC.AddSend(Packets.NPCSetFace(30));
                                            GC.AddSend(Packets.NPCFinish());
                                        }
                                    }                             
                                    break;
                                }
                            #endregion
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