phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '7a9cf1605148ad71eb4a84551b43ea27' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin, is_robot) VALUES ('7a9cf1605148ad71eb4a84551b43ea27', -1, 1743772450, 1743772450, '340f781d', 0, 0, 0, '0')

Line : 187
File : sessions.php