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 ('064fe5a60996d551c0b35f8b904cde42', -1, 1713483097, 1713483097, '03913456', -11, 0, 0)

Line : 187
File : sessions.php