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) VALUES ('888b9d1cf61d60fe7f5b6deca04e7f50', -1, 1714707062, 1714707062, '03933d8e', 17, 0)

Line : 158
File : sessions.php