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Cannot read property 'Set Handler' of undefined error in mobile



Cannot read property 'Set Handler' of undefined error in mobile when there is a grid present in the Flow Action.

User is having an assignment where there is a possibility to take Approve or reject action. It should render the most likely action first and the dropdown on top will help to switch to other action. But it does not display the UI even after switching to other action

Error Messages

Cannot read property 'Set Handler' of undefined

Steps to Reproduce

  1. Open any assignment with more than one flow action in a Pega mobile application (Pega Mobile 4.2 Pega 7.1.7)
  2. An error is displayed - cannot read property 'Set Handler' of undefined
  3. Once after that only drop down containing flow action is displayed
  4. If you switch flow action nothing happens

Root Cause

The root cause of this problem is a defect in Pegasystems’ code/rules. 


This issue is resolved by HFix-21472.

Published June 12, 2015 - Updated October 8, 2020

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