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Support Article

IllegalArgumentException: You may only copy thread-level pages



A section contains a repeat grid sourced from a requestor level data page. The repeat grid is configured with expandable rows so a local action can execute when row is expanded. Instead an error occurs stating "You may only copy pages defined at the Thread level". 

Error Messages

IllegalArgumentException: You may only copy pages defined at the Thread level

Steps to Reproduce

  1. Configure a repeat grid layout using a data page at requestor level.
  2. Configure the repeat grid to have expandable rows and specify a local action.
  3. Display the section and click to expand a row in the list.

Root Cause

A defect in Pegasystems’ code or rules.


Apply HFix-27199.


Published April 27, 2016 - Updated October 8, 2020

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