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 ('1f9e8aa0c2e533b6438c6cd5c2943870', -1, 1752810908, 1752810908, 'd849d89d', -2, 0, 0)

Line : 189
File : sessions.php