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', '99g847h1d6aggali597d5u1lc3', '54.198.15.20', '1540355381', '1540355381', '/catalog/default.php?cPath=29&osCsid=j067i8f03n98013g6g3qhdh360')

[TEP STOP]