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Support Article

Harness rules not displaying in Designer Studio after upgrade



You upgraded from PRPC 6.2 SP2 to Pega 7.1.7. After upgrade when you try to open Harness rule in Designer Studio, it does not display anything in Design tab.

Error Messages

javascript error raised in IE

Agente utente: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 2.0.50727; MS-RTC LM 8)
Timestamp: Wed, 8 Apr 2015 09:32:56 UTC

Messaggio: 'pega.ui.designview.DesignViewUtils' is not null or is not an object
Linea: 222
Carattere: 63
Codice: 0

Note: the issue occurs with all harnesses and any browsers.

Steps to Reproduce

Try to open any Harness rule after upgrade.

Root Cause

The root cause of this problem is a defect in Pegasystems’ code/rules.

pzHarnessRuleFormUtils.js file is missing after upgrade from PRPC 6.2SP2 to Pega 7.1.7.

This js file is used by the following rule:


This issue is happening only for the upgraded environments. If you freshly install Pega 7.1.7, then the harness rule displays correctly.


This issue is resolved through the following Local-change:

Exported this pzHarnessRuleFormUtils.js file from the fresh installation of Pega 7.1.7 by creating product rule and importing it on the environment where the issue occurred. After importing this rule, harness rule is displays correctly.

Published January 31, 2016 - Updated October 8, 2020

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