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', 'q0n261nqs4tjps3uf4pqvs7hg4', '54.225.26.44', '1540274936', '1540274936', '/catalog/default.php?cPath=48_154&osCsid=ii39ig7jhjqbl3t32lmgi20n44')

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