Appian Data Source Issue while upgrading to 17.2

We are upgrading to 17.2 and while trying to deploy the CDT plugin I am seeing the below error and the environment is not coming up. Can someone please help me with this. TIA

 

The type [{http://www.example.com/}example] was not exported because of the following error while accessing the Appian data source: [com.appiancorp.suiteapi.common.exceptions.AppianRuntimeException: com.appiancorp.suiteapi.common.exceptions.AppianException: The type definition [id=org.eclipse.emf.ecore.resource.Resource$IOWrappedException: The element type "eStructuralFeatures" must be terminated by the matching end-tag "</eStructuralFeatures>".] could not be loaded from the Appian data source. (APNX-1-4047-00E)]. (APNX-1-4047-00A)

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