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 ('6cc7c7c2f29fb1c9674f6ccbb7b7facb', -1, 1717316701, 1717316701, '12dec4af', -4, 0, 0)

Line : 187
File : sessions.php