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Support Article

Class <blank> does not exist error displays on screen refresh



Error message displays on refreshing the Search Page on the Pega portal. As a result, the dashboard worklist or workbasket displays incorrectly.

Error Messages

"Class <blank> does not exist" - "NoWorkID"

Steps to Reproduce

  1. Log in to the User portal.
  2. Click the Search link or launch the Calendar.
  3. Perform a search.
  4. Click the browser icon or F5 on the keyboard.

Root Cause

A defect in Pegasystems’ code or rules.
Refresh Section was performed on an incorrect thread. This corrupted the Reload of the screens.


Perform the following local-change:

Update the Harness launch from 'Replace Current' to 'New Document'. This creates a new thread and Refresh Section uses the correct thread context.

Published May 30, 2020 - Updated October 8, 2020

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