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 ('503912562a3696cbf32dbfb202b9bcef', -1, 1717354148, 1717354148, '12dec4af', -10, 0, 0)

Line : 187
File : sessions.php