IE Compatibility issue - Expression Builder and Data Tables
The user interface in Designer Studio does not render correctly while using Expression Builder and editing the Data Tables using the Edit in Excel button while using Internet Explorer (IE) 11.
This issue is not present if compatibility mode in Internet Explorer is enabled.
Clicking on the validate button in the Expression Builder popup returns a blank screen.
Closing the blank screen pop-up returns an alert box, clicking OK on the alert box displays another popup with a session error.
Steps to Reproduce
Attempt to use the Expression Builder or the Edit in Excel button in a rule form in Designer Studio to observe the issue.
The root cause of this problem is a third-party product. PRPC 6 Developer Portal is not supported on IE11, even with compatibility mode enabled.
This configuration is not supported. Refer the following statement regarding IE11 support on the PDN: https://pdn.pega.com/documents/support-for-internet-explorer-11
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