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', 'eiqbpp0klbic8cib2pfiui01s7', '54.224.150.24', '1540024642', '1540024642', '/catalog/account.php?osCsid=he2pqr44c0s73cerc6svisb6r7')

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