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', '8t10kud9gfkh3q764jlrufs712', '54.198.195.11', '1534324755', '1534324755', '/catalog/default.php?cPath=49_179&osCsid=atue6r412coch6c104g65roeu3')

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