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 ('16153ed1cf41ba7038e772d15dec2cbe', -1, 1717160275, 1717160275, '340e1128', -4, 0, 0)

Line : 187
File : sessions.php