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Support Article

Blank screen displays in Production environment



Blank screen displays in the Production environment when a table contains large amount of Decimal data. This occurs on the Internet Explorer (IE) 11 browser.

Error Messages

Object does not support property or method includes

Steps to Reproduce

  1. Create a section include grid repeat data page as the Source
  2. Include the decimal properties
  3. Enable Custom Personalization

Root Cause

A third-party product issue. The Internet Explorer (IE) 11  browser does not support or get updated with the latest feature due to it's legacy engine. In this case, the Internet Explorer (IE) 11 browser does not support the String.includes() method which is introduced in the Java Script. The include method is not recognised by the Internet Explorer (IE) 11 browser and the Runtime exception occurs since the include method is used recently in the Pega pzPega_ui_formatnumber Java Script file.


This issue is addressed in the Pega 8.2.5 patch release.


Published March 27, 2020 - Updated December 2, 2021

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