phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('fdac8a144f8d6c95d3578c64d73ad742', -1, 1714022594, 1714022594, '03119aab', 6, 0, 0)

Line : 187
File : sessions.php