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Unable to open a When rule



Unable to open a When rule. While opening, it displays the XML view of the When rule in a pop-up window instead of opening the rule in the RuleForm new tab in Designer Studio.

Error Messages

Not Applicable.

Steps to Reproduce

  1. Log in to Designer Studio
  2. Navigate to Records explorer > Decision > When
  3. Open any When rule from the When rule instances

Root Cause

A software use or operation error. The Advanced tab in the Rule-Obj-When class has the Ruleform type as Form instead of Harness.


Perform the following local-change:

From the working environment, export the Product rule for the Rule-Obj-When class rule and import it in the non-working environment.

Published May 3, 2018 - Updated October 8, 2020

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