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Attempting to unlock an application rule fails with an error



Attempting to unlock an application rule fails with an error message. 

Error Messages

<Application Rule Name:Ruleset-major-minor-version> is locked. Check out to branch or save as into unlocked ruleset version to edit.

Steps to Reproduce

Attempt to unlock an application rule by clicking the lock icon in the rule header.

Root Cause

A defect in Pegasystems’ code or rules. The application rule is corrupted. The pyRulesetVersion in the application rule should have no value. Instead, it contains 01-01-22 which is a non-existent ruleset version.


Perform the following local-change:

Manually modify the XML of the rule and remove the value for pyRulesetVersion, or save the rule to a higher version.



Published July 31, 2018 - Updated December 2, 2021

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