"Revenue Class" is the primary driver of the Sales Overview report and it should be. The item attribute that populates "revenue class reports" and lists on Clover devices is "Labels." In other words when you create a new item, you choose the "revenue class" by clicking on the "labels" field. Please change the attribute name "Labels" to "revenue class." After that is corrected, make the "revenue class" field exportable. Right now "Lables"/"Revenue Classes" export as "printer labels" and when reimported, populates the "Printer Label" field. In your "Instructions and Glossary" tab of an Item List Export, you don't list "printer labels" but instead, rename them "Routing Labels." Your support team is terrible and gaslights like the main stream media, trying to say these are not issues. It seems to be essentially the consistent use of terms accross the product and a minor data field mapping issue but it is real and nearly ruins a fairly decent system.