diff --git a/BeWo/ViewModel/AbstractDCMapperVM.cs b/BeWo/ViewModel/AbstractDCMapperVM.cs
index ce931c716..028071f01 100644
--- a/BeWo/ViewModel/AbstractDCMapperVM.cs
+++ b/BeWo/ViewModel/AbstractDCMapperVM.cs
@@ -68,7 +68,7 @@ namespace BeWo.ViewModel
 
 		protected abstract DCType MapToDataContract(DCType pDataContract, bool doCommit);
 
-		internal virtual void UpdateByDataContract(DCType pDataContract)
+		public virtual void UpdateByDataContract(DCType pDataContract)
 		{
 			throw new NotImplementedException();
 		}
diff --git a/BeWo/ViewModel/AddressVM.cs b/BeWo/ViewModel/AddressVM.cs
index 3f7448fc9..c8779a0c6 100644
--- a/BeWo/ViewModel/AddressVM.cs
+++ b/BeWo/ViewModel/AddressVM.cs
@@ -130,7 +130,7 @@ namespace BeWo.ViewModel
 			return string.Join(", ", parts.Where(p => !string.IsNullOrWhiteSpace(p)));
 		}
 
-		internal override void UpdateByDataContract(AddressDC pDataContract)
+		public override void UpdateByDataContract(AddressDC pDataContract)
 		{
 			AddressLine1 = pDataContract.AddressLine1;
 			AddressLine2 = pDataContract.AddressLine2;
diff --git a/BeWo/ViewModel/AiConversationVM.cs b/BeWo/ViewModel/AiConversationVM.cs
index 9df9179d9..a4d747f90 100644
--- a/BeWo/ViewModel/AiConversationVM.cs
+++ b/BeWo/ViewModel/AiConversationVM.cs
@@ -99,7 +99,7 @@ namespace BeWo.ViewModel
 			return pDataContract;
 		}
 
-		internal override void UpdateByDataContract(AiConversationDC pDataContract)
+		public override void UpdateByDataContract(AiConversationDC pDataContract)
 		{
 			DataContract = pDataContract;
 
diff --git a/BeWo/ViewModel/GkvAbrechnungVM.cs b/BeWo/ViewModel/GkvAbrechnungVM.cs
index bb7f10a5b..d8bc44614 100644
--- a/BeWo/ViewModel/GkvAbrechnungVM.cs
+++ b/BeWo/ViewModel/GkvAbrechnungVM.cs
@@ -364,7 +364,7 @@ namespace BeWo.ViewModel
 		public bool IsReady2Create
 			=> InvoiceBases?.Where(x => x.IsChecked).Any() ?? false;
 
-		internal override void UpdateByDataContract(GkvAbrechnungDC pDataContract)
+		public override void UpdateByDataContract(GkvAbrechnungDC pDataContract)
 		{
 			GkvAbrechnungVersion = pDataContract.Version;
 
diff --git a/BeWo/ViewModel/Light/GkvAbrechnungLightVM.cs b/BeWo/ViewModel/Light/GkvAbrechnungLightVM.cs
index 137028467..a357bbdfc 100644
--- a/BeWo/ViewModel/Light/GkvAbrechnungLightVM.cs
+++ b/BeWo/ViewModel/Light/GkvAbrechnungLightVM.cs
@@ -379,7 +379,7 @@ namespace BeWo.ViewModel.Light
 		public bool IsReady2Create
 			=> InvoiceBases?.Where(x => x.IsChecked).Any() ?? false;
 
-		public void UpdateByDataContract(GkvAbrechnungLightDC pDataContract)
+		public override void UpdateByDataContract(GkvAbrechnungLightDC pDataContract)
 		{
 			Version = pDataContract.Version;
 
diff --git a/BeWo/ViewModel/OrganisationVM.cs b/BeWo/ViewModel/OrganisationVM.cs
index c26ed3de8..e2a6a9bdd 100644
--- a/BeWo/ViewModel/OrganisationVM.cs
+++ b/BeWo/ViewModel/OrganisationVM.cs
@@ -1116,7 +1116,7 @@ namespace BeWo.ViewModel
 			return pDataContract;
 		}
 
-		internal override void UpdateByDataContract(OrganisationDC pDataContract)
+		public override void UpdateByDataContract(OrganisationDC pDataContract)
 		{
 			base.UpdateByDataContract(pDataContract);
 		}
diff --git a/Shared/Core/AppError.cs b/Shared/Core/AppError.cs
index d80944659..0c7825d60 100644
--- a/Shared/Core/AppError.cs
+++ b/Shared/Core/AppError.cs
@@ -14,13 +14,15 @@ namespace BS.Shared.Core
 		public string Message { get; set; }
 		public string Displayname => $"AppError {Code}: {Message}";
 
-		// Private damit zentral alle Er
+		// Private damit zentral alle Errors
 		private AppError(string code, string message)
 		{
 			Code = code;
 			Message = message;
 		}
 
+		//public static readonly AppError Example = new AppError("Code", "Message");
+
 		public static readonly Func<OrganisationDC, AppError> GkvDatenannahmestelleAdresseNotFound = (dc) => new AppError("GKV.70001", $"Unbekannte Datenannahmestelle. Bitte neu in der Organisation {dc.Name} ermitteln");
 	}
 }