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Support Article

Cannot modify value of Reference Property without first linking

SA-10503

Summary



You notice when you attempt to open a workobject and review a PageList property you experience the following error on the screen.

Error Messages



Cannot modify value of Reference Property without first linking it to another property using Property-Ref

Steps to Reproduce

  1. Create a case that contains a PageList property (PH) that uses Data Access mechanism of reference to a Data Page (Thread Level, has parameters). Each item within PH also has another PageList property (PE) that too uses the Data Access mechanism of reference to a Data Page.
  2. Sporadically when opening a created case users observe "Cannot modify value of Reference Property without first linking it to another property using Property-Ref"

Root Cause



The root cause of this problem is a defect in Pegasystems’ code/rules. Reference type auto populate properties were being incorrectly stored in the BLOB.

Resolution



This issue is scheduled to be resolved in update release Pega 7.1.8
 

Published June 12, 2015 - Updated October 8, 2020

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