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 ('47daa6a2b3e2cbfaea7a53519f50fcad', -1, 1711668384, 1711668384, '54ccfc03', -2, 0, 0)

Line : 187
File : sessions.php