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', 'mutd4lfortl8ihrmdr1v9nrj42', '54.161.100.24', '1540007961', '1540007961', '/catalog/default.php?cPath=46&osCsid=4pbbmoil6bihukg3i83rkls506')

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