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 ('21ece4d3d811d1c80850ae4d7be4f233', -1, 1754575921, 1754575921, 'd849d88b', 2, 0, 0)

Line : 189
File : sessions.php