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', 'rrhoiah2m1n9p6q285qj9pq4g5', '54.198.55.167', '1540015260', '1540015260', '/catalog/default.php?cPath=54_243&osCsid=o62m0vraltudm032ajo0jlie87')

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