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Support Article

'ServiceType' for data page 'D_ServiceMethods' cannot be blank



When using Pega 7.2, the Clipboard displays an error message when navigating to the Action tab and clicking the Refresh button. Additionally, a warning message is generated in the logs on calling a service from any SOAP client.

Error Messages

Clipboard Error:

Unable to load data page D_ServiceMethods. Required parameters : ServiceType. cannot be blank

Warning in Log:

Required parameter 'ServiceType' for data page 'D_ServiceMethods' cannot be blank.

Steps to Reproduce

  1. Create a SOAP Service.
  2. Navigate to the Actions tab and click the Refresh button.
  3. Open the Clipboard and select the thread for the Service package.
  4. Navigate to Data pages > Thread > D_ServiceMethods on Clipboard. Two instances exist for D_ServiceMethods, of which the first instance on the Clipboard displays the error on the screen. Verify the warning generated in the logs.

Root Cause

A defect in Pegasystems’ code or rules.


Apply HFix-39483.

Published April 29, 2018 - Updated October 8, 2020

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