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Support Article

Portal UI rendered incorrectly after upgrade CSS wizard is run



A PRPC 6.1 SP2 system was upgraded to Pega 7.1.7 with the portal UI displaying correctly. The upgrade CSS tool was run, which caused the UI on some harnesses to display incorrectly causing those screens to be unusable.

Error Messages

Not Applicable.

Steps to Reproduce

Not Applicable.

Root Cause

The CSS upgrade wizard was run after upgrading a system from PRPC 6.2 SP2 to Pega 7.1.7.

The upgrade wizard checks to make sure your application is ready to use browsers in standards mode. After this wizard is run the application skin needs to be re-saved and checked into a ruleset so the newest version of the CSS is generated and applied to the application.


The application skin should be checked out, saved and then checked back into a ruleset so the newest version of the generated CSS is used.

Published January 31, 2016 - Updated October 8, 2020

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