phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('6f17e5c55cc3c3febd3bc7742c2ee5d7', -1, 1737441683, 1737441683, '12de3c90', -9, 0, 0)

Line : 187
File : sessions.php