You may want to look in server code, how long the mask for known titles is & how long the one sent to client is. My guess would be, that one of them is smaller than 305 bit.
// used for PLAYER__FIELD_KNOWN_TITLES field (uint64), (1<<bit_index) without (-1)// can't use enum for uint64 values#define PLAYER_TITLE_DISABLED UI64LIT(0x0000000000000000)#define PLAYER_TITLE_NONE UI64LIT(0x0000000000000001)#define PLAYER_TITLE_PRIVATE UI64LIT(0x0000000000000002) // 1#define PLAYER_TITLE_CORPORAL UI64LIT(0x0000000000000004) // 2#define PLAYER_TITLE_SERGEANT_A UI64LIT(0x0000000000000008) // 3#define PLAYER_TITLE_MASTER_SERGEANT UI64LIT(0x0000000000000010) // 4#define PLAYER_TITLE_SERGEANT_MAJOR UI64LIT(0x0000000000000020) // 5#define PLAYER_TITLE_KNIGHT UI64LIT(0x0000000000000040) // 6#define PLAYER_TITLE_KNIGHT_LIEUTENANT UI64LIT(0x0000000000000080) // 7#define PLAYER_TITLE_KNIGHT_CAPTAIN UI64LIT(0x0000000000000100) // 8#define PLAYER_TITLE_KNIGHT_CHAMPION UI64LIT(0x0000000000000200) // 9#define PLAYER_TITLE_LIEUTENANT_COMMANDER UI64LIT(0x0000000000000400) // 10#define PLAYER_TITLE_COMMANDER UI64LIT(0x0000000000000800) // 11#define PLAYER_TITLE_MARSHAL UI64LIT(0x0000000000001000) // 12#define PLAYER_TITLE_FIELD_MARSHAL UI64LIT(0x0000000000002000) // 13#define PLAYER_TITLE_GRAND_MARSHAL UI64LIT(0x0000000000004000) // 14#define PLAYER_TITLE_SCOUT UI64LIT(0x0000000000008000) // 15#define PLAYER_TITLE_GRUNT UI64LIT(0x0000000000010000) // 16#define PLAYER_TITLE_SERGEANT_H UI64LIT(0x0000000000020000) // 17#define PLAYER_TITLE_SENIOR_SERGEANT UI64LIT(0x0000000000040000) // 18#define PLAYER_TITLE_FIRST_SERGEANT UI64LIT(0x0000000000080000) // 19#define PLAYER_TITLE_STONE_GUARD UI64LIT(0x0000000000100000) // 20#define PLAYER_TITLE_BLOOD_GUARD UI64LIT(0x0000000000200000) // 21#define PLAYER_TITLE_LEGIONNAIRE UI64LIT(0x0000000000400000) // 22#define PLAYER_TITLE_CENTURION UI64LIT(0x0000000000800000) // 23#define PLAYER_TITLE_CHAMPION UI64LIT(0x0000000001000000) // 24#define PLAYER_TITLE_LIEUTENANT_GENERAL UI64LIT(0x0000000002000000) // 25#define PLAYER_TITLE_GENERAL UI64LIT(0x0000000004000000) // 26#define PLAYER_TITLE_WARLORD UI64LIT(0x0000000008000000) // 27#define PLAYER_TITLE_HIGH_WARLORD UI64LIT(0x0000000010000000) // 28#define PLAYER_TITLE_GLADIATOR UI64LIT(0x0000000020000000) // 29#define PLAYER_TITLE_DUELIST UI64LIT(0x0000000040000000) // 30#define PLAYER_TITLE_RIVAL UI64LIT(0x0000000080000000) // 31#define PLAYER_TITLE_CHALLENGER UI64LIT(0x0000000100000000) // 32#define PLAYER_TITLE_SCARAB_LORD UI64LIT(0x0000000200000000) // 33#define PLAYER_TITLE_CONQUEROR UI64LIT(0x0000000400000000) // 34#define PLAYER_TITLE_JUSTICAR UI64LIT(0x0000000800000000) // 35#define PLAYER_TITLE_CHAMPION_OF_THE_NAARU UI64LIT(0x0000001000000000) // 36#define PLAYER_TITLE_MERCILESS_GLADIATOR UI64LIT(0x0000002000000000) // 37#define PLAYER_TITLE_OF_THE_SHATTERED_SUN UI64LIT(0x0000004000000000) // 38#define PLAYER_TITLE_HAND_OF_ADAL UI64LIT(0x0000008000000000) // 39#define PLAYER_TITLE_VENGEFUL_GLADIATOR UI64LIT(0x0000010000000000) // 40#define KNOWN_TITLES_SIZE 3#define MAX_TITLE_INDEX (KNOWN_TITLES_SIZE*64) // 3 uint64 fields
Just a small note. I am pretty sure there is a client limit not too much farther than the designated amount already there.