Could not insert new anti bot question registration information

DEBUG MODE

SQL Error : 1062 Duplicate entry '8bf1765f41cd2ef6a33cbebc85bf5e5d' for key 'PRIMARY'

INSERT INTO phpbb_anti_bot_quest_regconfirm (confirm_id, session_id, start_time) VALUES ('5b937379d281f8f50c6c921d46acd850', '8bf1765f41cd2ef6a33cbebc85bf5e5d', 1794704899)

Line : 124
File : usercp_register.php