phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('641eedbb56641d0738625b7cd4d6df06', -1, 1580263120, 1580263120, '00000000', -19, 0)

Line : 152
File : /home/aquatic/domains/fish-forums.com/public_html/board/includes/sessions.php