ERROR com.appiancorp.common.config.ConfigObject - An error occurred while trying to initialize the config object com.appiancorp.common.initialize.MigrateNavigationConfig using the following resources: /WEB-INF/conf/dataload/navigation/navigation-config.xml

I'm facing the issue with the above exception is gone through the below KB

https://community.appian.com/support/w/kb/294/kb-1069-legacy-designer-designer-does-not-load-properly

This didn't help me, not sure why I'm getting this error. This causing the runtime data page is not loading. 

Its an on premise installation.

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