1364 - Field 'user_agent' doesn't have a default value

insert into whos_online (customer_id, full_name, session_id, ip_address, time_entry, time_last_click, last_page_url, http_referer) values ('0', 'Guest', '2sb6pgf32p0kahoafilnrhcre0', '3.81.28.10', '1594064644', '1594064644', '/catalog/product_reviews_write.php?products_id=3794&page=1', '')

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