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Support Article

"This Item is mandatory" validation error appears incorrectly



User has configured a few Know Your Customer (KYC) items as Required. On submitting the flow, a Validation icon with the text 'This Item is mandatory' displays despite providing a value for the property. This occurs for properties that use embedded sections.

Error Messages

This Item is mandatory

Steps to Reproduce

  1. Add a KYC type item in the Pega Client Lifecycle Management (CLM).
  2. Add an embedded section and add either a dropdown or a Text field.
  3. Mark this field as Mandatory.
  4. Submit the request. Verify in the Review screen. Observe the error icon.

Root Cause

A defect in the KYC item configuration and Pegasystems’ code or rules.


  1. Mark the Required condition to Always for the complex item in the KYC type. Do not mark the control in the Edit Section as Mandatory.

  2. In the KYC type, navigate to Complex item configuration > Add IsComplete condition
    to verify that the input value in the embedded section control is not empty.

    .G_IndividualAlternateNames(1).pyFullName != ""

  3. Navigate to the Edit section of the Complex item and add a Refresh-Other section action event.

    - Add Target as Other Section.
    - Update the Class to PegaKYC-Data-Item
    - Set the Section as ComplexItemDisplay.

    - In the Activity section, update it with the out-of-the-box ProcessResponse activity and pass the Complex Property parameter with the Complex property for which user is configuring the Edit section

  4. Apply HFix-56894 (this modifies the Visibility conditions in the ComplexItemDisplay section).

    For Icon 1:

    Existing condition:
    (.Response == '') && (.IsMandatory == 'true') && (IsCaseSubmitted)

    To be modified to: (.IsComplete !='true') && (.IsMandatory == 'true') && (IsCaseSubmitted)

    For Icon 2:

    Existing condition:
    (.Response != '') && (.DocRef=='true') && (.DocCount<=0) && (.IsMandatory == 'true') && (IsCaseSubmitted)

    To be modified to: (.IsComplete !='true')&& (.DocRef=='true') && (.DocCount<=0) && (.IsMandatory == 'true') && (IsCaseSubmitted)

Published March 25, 2020 - Updated December 2, 2021

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