phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8a409b46470a8e0ad1c26a0b0091c4cb' 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 ('8a409b46470a8e0ad1c26a0b0091c4cb', -1, 1762308321, 1762308321, 'd849d881', 0, 0, 0, '0')

Line : 187
File : sessions.php