phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6407fd57aec65d1cf9e7464cc8f8d8a2' for key 'PRIMARY'

INSERT INTO sub_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('6407fd57aec65d1cf9e7464cc8f8d8a2', -1, 1714642721, 1714642721, '0395fe23', -8, 0, 0)

Line : 187
File : sessions.php