phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a991111401df515a9442de73a3836d81' 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 ('a991111401df515a9442de73a3836d81', -1, 1715677987, 1715677987, '03919ed7', -4, 0, 0)

Line : 187
File : sessions.php