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 ('a8ae20c6c0efa3d8c137b2234085d977', -1, 1571531817, 1571531817, '22ecd85d', 0, 0, 0)

Line : 189
File : sessions.php