1366 - Incorrect integer value: '' for column `ngtkeZ_web1104_2`.`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', 'le04tdkjfphbg13q50ftct9k64', '18.224.149.242', '1713554841', '1713554841', '/content/de/Liefer-und-Versandkosten.html')

[XT SQL Error]