phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '4c1c8714358b3b2ab2bafebbf21388f4' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('4c1c8714358b3b2ab2bafebbf21388f4', -1, 1714771776, 1714771776, 'c0a80201', 2, 0, 0)

Line : 187
File : sessions.php