1366 - Incorrect integer value: '' for column `argus_xtc`.`whos_online`.`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', 'lvjsm1oakg7tn43npjr3a1i9q0', '34.229.113.106', '1563539965', '1563539965', '/shop/product_info.php?info=p362_4-Kanal-H-264-TRIPLEX-DVR-Rekorder-m--LAN--VGA--USB.html')

[XT SQL Error]