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 ('ba98d7248adfad52a2910dc7508a5bb0', -1, 1714378163, 1714378163, '12dc0d46', -4, 0)

Line : 158
File : sessions.php