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 ('9cd57b2836672343ab5c0c8fa386d37d', -1, 1749326153, 1749326153, 'd849d8f5', -9, 0, 0)

Line : 190
File : sessions.php