phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a1f140f99546c76700561d39e3909b35' 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) VALUES ('a1f140f99546c76700561d39e3909b35', -1, 1715819860, 1715819860, '12bfc823', -1, 0, 0)

Line : 187
File : sessions.php