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 ('df1464cd02dca0e4e9762964625e1d5e', -1, 1560859868, 1560859868, '22eb8fbe', 2, 0, 0)

Line : 189
File : sessions.php