just remove the , on your accessoryid.lub
ACCESSORY_RED_INCUBUS_HORN = 1281, it should be ACCESSORY_RED_INCUBUS_HORN = 1281
just remove the , on your accname.lub
[ACCESSORY_IDs.ACCESSORY_RED_INCUBUS_HORN] = "_RED_INCUBUS_HORN", it should be [ACCESSORY_IDs.ACCESSORY_RED_INCUBUS_HORN] = "_RED_INCUBUS_HORN"
i think your don't need the accname_eng.lub.