Could not insert new anti bot question registration information

DEBUG MODE

SQL Error : 1062 Duplicate entry '926b0cb41dd56dd1e02f656961263705' for key 'PRIMARY'

INSERT INTO phpbb_anti_bot_quest_regconfirm (confirm_id, session_id, start_time) VALUES ('d6da81f0eb165a50d32501ec5b0602a2', '926b0cb41dd56dd1e02f656961263705', 1790373138)

Line : 124
File : usercp_register.php