phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('3deddc3cded0372272b6b587cebafd5d', -1, 1717209860, 1717209860, '03850d4c', 0, 0, 0)

Line : 187
File : sessions.php