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Facebook channel creation fails from AppStudio portal



Facebook channel creation fails when creating the channel from the AppStudio portal.

Error Messages

Display error

Action that failed: pzExpressLPHarness
For class: Text categorization - Topic
Current operator: grantsadmin
Object key: -
Harness class: Rule-HTML-Harness
Frame name: Error message: Failed to find instance Work-Prediction-TextAnalytics-Classification.pzExpressLPHarness of type Rule-HTML-Harness.

Steps to Reproduce

  1. Switch to AppStudio.
  2. Click Interfaces.
  3. Click Facebook.
  4. Enter Details.

      - Description
      - Command to create Case.
     In the Connection tab, enter the below details,
      - Facebook page ID
      - Token
      - Template operator

  5. Click Save.  

Root Cause

A defect in Pegasystems’ code or rules.


Update to Pega  8.2.

Published January 6, 2019 - Updated December 2, 2021

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