C# Firestore - UpdateAsync with Nested Fields Dot Notation - Error Message

gistfile1.txt

Unhandled Exception: System.AggregateException: One or more errors occurred. (Status(StatusCode=InvalidArgument, Detail="Entity has a nested entity property named 'Favorites' as well as a property prefixed with 'Favorites.', this results in name collision.")) ---> Grpc.Core.RpcException: Status(StatusCode=InvalidArgument, Detail="Entity has a nested entity property named 'Favorites' as well as a property prefixed with 'Favorites.', this results in name collision.")
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Google.Api.Gax.Grpc.ApiCallRetryExtensions.<>c__DisplayClass0_0`2.<<WithRetry>b__0>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Google.Cloud.Firestore.WriteBatch.<CommitAsync>d__13.MoveNext() in C:\Users\jon\Test\Projects\google-cloud-dotnet\releasebuild\apis\Google.Cloud.Firestore\Google.Cloud.Firestore\WriteBatch.cs:line 202
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Google.Cloud.Firestore.DocumentReference.<UpdateAsync>d__20.MoveNext() in C:\Users\jon\Test\Projects\google-cloud-dotnet\releasebuild\apis\Google.Cloud.Firestore\Google.Cloud.Firestore\DocumentReference.cs:line 134
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult()
   at GoogleCloudSamples.QuickStartFirestoreProgram.<UpdateNestedFields>d__10.MoveNext() in /Users/ryanmats/testing/dotnet-docs-samples/firestore/api/AddData/Program.cs:line 224
   --- End of inner exception stack trace ---
   at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean includeTaskCanceledExceptions)
   at System.Threading.Tasks.Task.Wait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
   at System.Threading.Tasks.Task.Wait()
   at GoogleCloudSamples.QuickStartFirestoreProgram.Main(String[] args) in /Users/ryanmats/testing/dotnet-docs-samples/firestore/api/AddData/Program.cs:line 275