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Support Article

Failure while opening the rule instance with IE 8



Using Internet Explorer 8, user cannot open rule instances from the Application Explorer.  User cannot open rule instances via other means as well.

Error Messages

Failure opening the Rule Instance.

When traced @baseclass.WBOpen fails at step 3 with the fail message

Steps to Reproduce

Try to open the operator record, access group record, or any rule from the Application Explorer.

Root Cause

The root cause of this problem is a defect/misconfiguration in the operating environment combined with an error in Pegasystems code.
When running Internet Explorer 8, the operation tries to open the rule in a new window, and there is a fixed bug in Pega 7.1.8 which involves a missing parameter to perform  WBOpen when trying to show the rule in a new window.


This issue is resolved by making the following change to the operating environment:
Upgrade to a new version of Internet Explorer, and the rule will open in a tab instead of a new window.  
This exercises different code, avoids the bug, and has a successful conclusion.

Published June 30, 2015 - Updated October 8, 2020

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