Could not insert new anti bot question registration information

DEBUG MODE

SQL Error : 1062 Duplicate entry '826ee0b652e5af96f47194e7daeea650' for key 'PRIMARY'

INSERT INTO phpbb_anti_bot_quest_regconfirm (confirm_id, session_id, start_time) VALUES ('51368fedb7d4fae46419380705cd7e7c', '826ee0b652e5af96f47194e7daeea650', 1790486796)

Line : 124
File : usercp_register.php