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Flickering effect when validation fails



When validation fails, the error Div appears and disappears immediately, resulting in a flickering effect.

Error Messages

Not Applicable

Steps to Reproduce

  1. Create a property and post activity validation for the property.
  2. Add the property to a section rule.
  3. Run the case and provide an invalid value to the property.
  4. Submit the flow action. Observe the flickering effect.

Root Cause

A defect in Pegasystems’ code or rules. The Display Form-error option was unchecked. The flickering was observed after flow action validation. This was because the error Div appeared and disappeared immediately. The flickering occurred because the DisplayError API did not verify if the Display Form-error was checked or unchecked.


Perform the following local-change:

Add the below script in the UserWorkForm:

pega.u.d.handleErrorAfterPartialSuccess = function(responseObj) {
if (errorTable && pega.u.d.alwaysShowFormLevelErrors === "true") {
pega.u.d.displayFormErrors(pega.util.Dom.getOuterHTML(errorTable[0]), newElement);
return errors;


Published February 15, 2018 - Updated October 8, 2020

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