Could not insert new anti bot question registration information

DEBUG MODE

SQL Error : 1062 Duplicate entry '9b447de12e6e8bbb1f1dfb4344724b0f' for key 'PRIMARY'

INSERT INTO phpbb_anti_bot_quest_regconfirm (confirm_id, session_id, start_time) VALUES ('73e99d2a172794c762ecc244a26a071d', '9b447de12e6e8bbb1f1dfb4344724b0f', 1794705059)

Line : 124
File : usercp_register.php