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', '92onp3cf5nv55gpk4u1goal701', '54.80.58.121', '1537888865', '1537888865', '/catalog/create_account.php?osCsid=pj846q4v97ul4a0bofm8qs92k2')

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