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Error trying to evaluate L:clipboardViewerUpdate



User has a requirement to provide Clipboard edit option to restricted users in Production while the same access should be available for all other environments.The clipboardViewer and clipboardViewerUpdate privileges were added to the Access of Role to Object.

The clipboardViewer privilege is set to '5'.
The clipboardViewerUpdate privilege is set to use the literal L:clipboardViewerUpdate.

At run time, an error occurs when the user tries to access the Clipboard.

Error Messages

Caused by: Trying to evaluate Rule-Access-When conditions L:clipboardViewerUpdate when there is no page to evaluate them against
at com.pega.pegarules.exec.internal.basic.dictionary.AccessInfoConclusion.evaluateConditions(
at com.pega.pegarules.exec.internal.basic.dictionary.AccessInfoConclusion.evaluate(
at com.pega.pegarules.session.internal.authorization.access.AccessEvaluator.havePrivilege(
at com.pega.pegarules.session.internal.authorization.access.AccessEvaluator.havePrivilege(
at com.pega.pegarules.session.internal.authorization.Authorization.havePrivilege(
at com.pegarules.generated.html.ra_stream_webwbclipboardrightframe_top_f3ba7651020307559ffd3294f46466bc.execute(

Steps to Reproduce

  1. Create a clipboardViewerUpdate Access When rule.
  2. Configure an Access to Role Object rule to use L:clipboardViewerUpdate for the clipboardViewerUpdate privilege.
  3. Try to access the Clipboard.

Root Cause

A defect in Pegasystems’ code or rules. The WebWBClipboardRightFrame_Top HTML rule was passing null for the Clipboard page (last parameter) when calling the havePrivilege() method.


Apply HFix-33067.

Suggest Edit

Published March 26, 2017 - Updated October 8, 2020

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