Problem:
ItemID was not specified for Cart Item 0.
Summary:
The TaxCloud server returned an error in the response: `{:lookup_response=>{:lookup_result=>{:response_type=>"Error", :messages=>{:response_message=>{:response_type=>"Error", :message=>"ItemID was not specified for Cart Item 0."}}, :cart_items_response=>nil}, :@xmlns=>"http://taxcloud.net"}}`
Resolution:
Check the request parameters.