Could not insert new anti bot question registration information

DEBUG MODE

SQL Error : 1062 Duplicate entry '778a4caa122c4bbecdea66f083921fd5' for key 'PRIMARY'

INSERT INTO phpbb_anti_bot_quest_regconfirm (confirm_id, session_id, start_time) VALUES ('aa38ad8910dc136b6418a65bdfb2dd92', '778a4caa122c4bbecdea66f083921fd5', 1790276242)

Line : 124
File : usercp_register.php