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 ('b2911fe49a720a65c81cafed1e4ee23b', -1, 1611756566, 1611756566, '36d049b3', 1, 0, 0)

Line : 187
File : sessions.php