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 ('995340a71f073fa10022e1ba70bb7552', -1, 1751589853, 1751589853, 'd849d804', 39, 0, 0)

Line : 190
File : sessions.php