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 ('a85f19a9a3c5b428b69d195810e5722f', -1, 1717367383, 1717367383, '12dcb399', 1, 0, 0)

Line : 187
File : sessions.php