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 ('4d726b400c5db7c9f3932abb3017f119', -1, 1716832976, 1716832976, '12bfec9e', -4, 0, 0)

Line : 187
File : sessions.php