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 ('81f9ee8fa33eda16ecc36eaa979081b5', -1, 1600733928, 1600733928, '03ea8f1a', 0, 0, 0)

Line : 172
File : sessions.php