MySQL_class: Database Error occured!

 CODE: 1054
 DESC: Unknown column 'table_name' in 'field list'
 FILE: ajax.php
QUERY: insert into user_cart(table_name,add_to_cart_id,order_id,item_id,item_name,price,request_date ) values ('hosting','21265','eagle823239','','','','2020-06-08')
 QCNT: 3
 INFO: Query('insert into user_cart(table_name,add_to_cart_id,order_id,item_id,item_name,price,request_date ) values ('hosting','21265','eagle823239','','','','2020-06-08')') failed!

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