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 ('0b9dd817408bb8631fa1d5227fa56cbb', -1, 1714785016, 1714785016, '12d8cd7b', 7, 0)

Line : 158
File : sessions.php