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Support Article

Error on opening a rule in Dev Studio



Error occurs on opening a rule in the Dev Studio.

Error Messages

Problem executing pzAssemblePreprocess for RULE-HTML-SECTION @BASECLASS pyDirtyCheckConfirm java.lang.NullPointerException

Steps to Reproduce

  1. Log in to the DEV studio
  2. Open a rule

Root Cause

A software use or operation error. An issue with section generation.


Perform the following local-change: 
  1. Perform a Private Edit of the @baseclass • BulkValidateSave activity from Pega-UIDesign 
  2. Uncheck Lock and Release on the commit options in the second step of Obj-Open-By-Handle
  3. Execute the activity
  4. Provide pzInsKey of the RULE-HTML-SECTION @BASECLASS pyDirtyCheckConfirm section where the pzAssembleprocess error displays
  5. Execute the activity
  6. Log out, clear the browser cache and relogin  


Published November 26, 2019 - Updated December 2, 2021

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