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 ('797befb49132692a4a4426ac5c60901e', -1, 1717038929, 1717038929, '340e1128', -4, 0, 0)

Line : 187
File : sessions.php