commit 99e9ffed99a335e6e69cab61fbd05fee77968e42
Author: sumit.ray@baesystems.com <sumit.ray@baesystems.com>
Date:   Fri Mar 11 08:52:01 2022 -0500

    Added a guard to handle return of null -- root cause: Subtype keyword is corrupt causing the subtype field lookup in the dictionary to return NULL - file:fffe3ecc57e62b7a11019557b0328db
80537bf45d46457401512b7c3bf756654