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 ('def1d8e9a175073a0e1470c154347dd0', -1, 1717170463, 1717170463, '03900f3d', 1, 0, 0)

Line : 187
File : sessions.php