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 ('623272649ea217b975cd5999958df447', -1, 1563493296, 1563493296, '035c1c54', 51, 0, 0)

Line : 189
File : sessions.php