About NPCSCRIPT scroll exchange books

[RonaldinhoR9]

Hello guys , im using 1753 version, and when i try to add this NPC to my NPCScript( using the value 123,124,ec, depending class i want to exchange the books), the NPC disapear. I tried in 2240 version, and its ok the NPC stay VISIBLE and working , trading books level 3 and 4, for exchange scrools.
What i need to tune up, in 1753, to work fine? maybe some error in NPC description? See NPC:


SetNPC(12, 0x40009044, 0x10000001, false, "NPC_A_depositary.GCMDS", "Items Exchange In-charge Person\\<Human level 3-4 skill exchange>");
SetPosition(0x40009044, 5, 2880.34, 26.5, 2362.21);
SetNPCAttribute(0x40009044, 16, 0);
AddPopup(0x40009044, 10000, 0, "Speak", 0, 0, 0xFF0FFF);
AddPopup(0x40009044, 401, 123, "Human Skill voucher", 0, 0, 0xFF0FFF);
AddWords(0x40009044, "Do you have Level 3 or Level 4[skill exchange scroll]?");
AddDialog(0x40009044, 1, 0, "In you Inventery having Level 3 or\\Level 4 [skill exchange scoll]? If\\have it, you may exchange it to [RYL\\part II]'s Level 3 or Level 4 skill\\books.");
AddItem(0x40009044, 0, 0, 0, 3514);
AddItem(0x40009044, 0, 0, 0, 3504);
AddItem(0x40009044, 0, 0, 0, 3509);
AddItem(0x40009044, 0, 0, 0, 3880);
AddItem(0x40009044, 0, 0, 0, 3525);
AddItem(0x40009044, 0, 0, 0, 3530);
AddItem(0x40009044, 0, 0, 0, 3535);
AddItem(0x40009044, 0, 0, 0, 3555);
AddItem(0x40009044, 0, 0, 0, 3865);
AddItem(0x40009044, 0, 0, 0, 3870);
AddItem(0x40009044, 0, 0, 0, 3875);
AddItem(0x40009044, 0, 0, 0, 3540);
AddItem(0x40009044, 0, 0, 0, 3545);
AddItem(0x40009044, 0, 0, 0, 3885);
AddItem(0x40009044, 0, 0, 0, 3890);
AddItem(0x40009044, 0, 0, 0, 3550);

[MentaL]