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Support Article

Multiple InvalidReferenceException errors occur in logs

KCP-238

Summary

Multiple InvalidReferenceException errors occur in the logs.

 

Error Messages

com.pega.pegarules.pub.clipboard.InvalidReferenceException: The reference .pxOperatorSkillsCount is not valid.  Reason: FUAInstance-NullMyStepPage
    at com.pegarules.generated.activity.ra_action_setworkinfo_c4043b4498a2d65419d58c4f92ef2ac4.step7_circum0(ra_action_setworkinfo_c4043b4498a2d65419d58c4f92ef2ac4.java:472) ~[?:?]
    at com.pegarules.generated.activity.ra_action_setworkinfo_c4043b4498a2d65419d58c4f92ef2ac4.perform(ra_action_setworkinfo_c4043b4498a2d65419d58c4f92ef2ac4.java:150) ~[?:?]
    at com.pega.pegarules.session.internal.mgmt.Executable.doActivity(Executable.java:2793) ~[prprivate-session.jar:?]
    at com.pega.pegarules.session.internal.mgmt.Executable.invokeActivity(Executable.java:11351) ~[prprivate-session.jar:?]
    at com.pegarules.generated.activity.ra_action_applicationsetup_728c6cf2e3b3b3389581b32afc6ce7ce.step12_circum0(ra_action_applicationsetup_728c6cf2e3b3b3389581b32afc6ce7ce.java:1049) ~[?:?]
    at com.pegarules.generated.activity.ra_action_applicationsetup_728c6cf2e3b3b3389581b32afc6ce7ce.perform(ra_action_applicationsetup_728c6cf2e3b3b3389581b32afc6ce7ce.java:283) ~[?:?]

 

Steps to Reproduce

Verify the logs.

 

Root Cause

A defect in Pegasystems’ code or rules. A property remove on the pxOperatorSkillsCount property is present in step 7 of the SetWorkInfo activity (Code-Pega-Requestor). The NullMyStepPage exception occurs if the OperatorID page is unavailable on the Clipboard.

 

Resolution

This issue is addressed in Pega 8.4.3 and Pega 8.5.1.

Alternatively, as a local-change:
Add a pageExists check.

Suggest Edit

Published December 2, 2021

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