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', 'el7irh02bjla0t6c54c8o8u8u2', '54.198.52.82', '1537607935', '1537607935', '/catalog/default.php?cPath=54&osCsid=asa16g3a533v0o86dlqf954hv2')

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