check you mmo.h
/// Item Bound Type
enum bound_type {
BOUND_NONE = 0, /// No bound
BOUND_ACCOUNT, /// 1- Account Bound
BOUND_GUILD, /// 2 - Guild Bound
BOUND_PARTY, /// 3 - Party Bound
BOUND_CHAR, /// 4 - Character Bound
BOUND_MAX,
//BOUND_ONEQUIP = 1, //! TODO
BOUND_DISPYELLOW = 2, /// Shows the item name in yellow color
};