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Support Article

Product rule stops working on adding History classes



User creates a Product rule to extract work objects and their respective data from various tables like Assignment, History, Notes etc. The rule works correctly and the data instances display in the Preview as expected. However, the Product rule stops working on adding the History classes. An error message displays on the Tracer. 


Error Messages

Can't use property "pyRuleSet".


Steps to Reproduce

  1. Add History, Notes, and Location Details classes which do not  have a BLOB (Binary Large Object) column
  2. Click the Preview button in the Product rule


Root Cause

A defect in Pegasystems’ code or rules.



  1. Apply HFix-42630
  2. Apply HFix-64808 

Published December 2, 2021

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