1366 - Incorrect integer value: '' for column `crotten_shop`.`whos_online`.`customer_id` at row 1

insert into whos_online (customer_id, full_name, session_id, ip_address, time_entry, time_last_click, last_page_url) values ('', 'Guest', 'jntk0ce1he4817ucdk6pug6cf7', '136.243.2.143', '1547608908', '1547608908', '/contact_us.php?osCsid=r226gmkq6c1efottge36v0gac7')

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