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Invalid expression for label while opening pyDefault rules



After a database cleanup and restart, the pyDefault rules do not open and an IndeterminateConditionalException is generated in the log.

Error Messages in RULE-OBJ-WHEN RULE- PXISNOTCIRCUMSTANCE GMT: Invalid expression for label

Steps to Reproduce

  1. Perform a cleanup of the database.
  2. Restart the database.

Root Cause

A defect or configuration issue in the operating environment.
The rule assembly cache did not contain the out-of-the-box rules after a clear-cache database restart.


Perform the following local-change:

In the Pega API, use the Reassemble API call to re-assemble the required rule.

Published August 15, 2019 - Updated December 2, 2021

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