Switching base connector causes change triggers to fail

When switching from a PowerShell to C# connector for the same schema, the following error occurred when attempting to refresh the adapter (after Generate Changes):

Request to reflect change entities of the adapter.
Request to reflect change entities of the DotEE Company (1425b9d9-bdd2-4786-81ae-8c09272a0750) adapter errored with message: An error occurred retrieving the distinguished name component for field 'companyCode' of type CN. See inner exception for details.. Duration: 00:00:00.0937585
Error details:
Unify.Framework.UnifyDataException: An error occurred retrieving the distinguished name component for field 'companyCode' of type CN. See inner exception for details. ---> Unify.Framework.Collections.GroupedNameValueCollectionMissingFieldException: The entity does not contain a value for the companyCode field.
   at Unify.Product.IdentityBroker.EntityBase`3.GetValueEntry(TKey key)
   at Unify.Product.IdentityBroker.FieldTemplateDistinguishedNameComponentExecutor`2.Get(TEntity entity)
   --- End of inner exception stack trace ---
   at Unify.Product.IdentityBroker.FieldTemplateDistinguishedNameComponentExecutor`2.Get(TEntity entity)
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Linq.Enumerable.<SelectManyIterator>d__17`2.MoveNext()
   at System.Linq.Buffer`1..ctor(IEnumerable`1 source)
   at System.Linq.Enumerable.ToArray[TSource](IEnumerable`1 source)
   at Unify.Framework.IO.DistinguishedName..ctor(IEnumerable`1 components)
   at Unify.Product.IdentityBroker.TemplateDistinguishedNameExecutor`2.DistinguishedName(TEntity entity)
   at Unify.Product.IdentityBroker.Adapter.<>c__DisplayClass120_0.<ConvertPageAndUpdateContainers>b__1(IEntity entity)
   at System.Linq.Enumerable.ToDictionary[TSource,TKey,TElement](IEnumerable`1 source, Func`2 keySelector, Func`2 elementSelector, IEqualityComparer`1 comparer)
   at Unify.Product.IdentityBroker.Adapter.ConvertPageAndUpdateContainers(IEntity[] entities, Boolean updateContainers)
   at Unify.Product.IdentityBroker.Adapter.ReflectChangesInner()
   at Unify.Product.IdentityBroker.Adapter.ReflectChanges()
   at Unify.Product.IdentityBroker.AdapterAuditingDecorator.ReflectChanges()
   at Unify.Product.IdentityBroker.AdapterNotifierDecorator.ReflectChanges()
   at Unify.Product.IdentityBroker.ReflectAdapterOnChangeDueJob.<RunBase>b__9_0(IOperationalAdapter adapter)