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Support Article

Screen freezes on click of a button in PRPC 7.4

SA-95545

Summary



After closing a Screenflow case type, unable to create a new case.


Error Messages



Uncaught TypeError: Cannot set property 'value' of undefined




Steps to Reproduce

  1. Add a button that is configured to Add New Work.
  2. Add a screen flow for the assignment with a Start shape and which has Allow errors selected.


Root Cause



A defect in Pegasystems’ code or rules.
When the tabbedscreenflow is launched, the tabscreenflow Validation rules override the default Validation functions. Thus, a conflict is created if the screenflow is not completed; and the user reverts to the other Harness and performs a form Submit operation.


Resolution



Perform the following local-change:
  1. Create a script in the UserWorkForm as below.

    <script>
      
      function reAssigndisplayvalidation(){
        console.log("Reassiging validations");
        console.log(temp_validation_displayErrors);
        validation_displayErrors = temp_validation_displayErrors;
      }
      
    </script>

     
  2. Add the below function in the Harness script which is a non-screenflow harness.

    if(typeof validation_displayErrors!= "undefined" && validation_displayErrors.name !=="addErrorsToClipboard"){
      console.log("Loading harness scripts");
      console.log(validation_displayErrors);
      temp_validation_displayErrors = validation_displayErrors;
    }

     
  3. On Click of a button, create a new work item.
  4. In the action set, configure a Run script and invoke the function defined in Step1.
Suggest Edit

Published January 6, 2020 - Updated December 2, 2021

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