1366 - Incorrect integer value: '' for column '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', '7q6t2fl7c40pjcv8rcapuq0r01', '54.224.150.24', '1540027506', '1540027506', '/catalog/contact_us.php?osCsid=kc6j4t0tgd47bt4653h5mbiob0')

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