QB Issue Resolution:
You’re correct. You’ll have to set them up in every transactions in your QuickBooks.
You have to manually fill out the Class fields so that they’re tracked on the reports. The feature gives a customizable way to track your money in and outs. This lets you track account balances by department, business office or location, separate properties you own, or any other meaningful breakdown of your business.
To elaborate more, you can refer to this blog published by Beverly Lang: How to Use Class Tracking in QuickBooks.
I’m also adding some reference links about reports for future help:
I’ll take note of your product suggestions and prepare a feedback statement directly to our product developers.
Resolution for Issue 'Using class for property management' available: Yes (Solved).
Source: Intuit Community forum.
Using class for property management: this issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.Support for customize reports
Quickbooks Repair Pro will resolve it efficiently and affordably. Guaranteed resolution of your issue, or you pay nothing!
Error Recovery for customize reports [Canada]
E-Tech is the #1 Quickbooks data migration and Conversion service provider.
Additional Support Options: