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 ('5c780d5c29f8c5f17d0a9d97b82aa816', -1, 1743446999, 1743446999, '12dedb94', 1, 0, 0)

Line : 187
File : sessions.php