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 ('979623cf3c7b3936cda3dfc7177e23bc', -1, 1717203307, 1717203307, '12bc4042', -9, 0, 0)

Line : 187
File : sessions.php