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 ('6ebfa1e757c7709d3185033c2149a594', -1, 1606589761, 1606589761, '22ed8a45', 0, 0, 0)

Line : 172
File : sessions.php