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 ('ac2f8a0bb8cec6f554f933b56f3e7fa9', -1, 1717119150, 1717119150, '12e00252', 2, 0, 0)

Line : 187
File : sessions.php