After developing using the cs files, I recently replaced them with a reference to the BO & Utility Dlls located in ...DTS\Binn\ folder I'm able to query by list type getListMember() which wasn't present in the cs Utility file (do I have the wrong one?) Anyway, the getListMember() is working, but now I have the followin error UpdateFullForm. Also, note that I also lost UpdateSmallForm() that was present in the Utility.cs but isn't found in the dll? Error: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Collections.Generic.KeyNotFoundException: The given key was not present in the dictionary. at System.ThrowHelper.ThrowKeyNotFoundException() at System.Collections.Generic.Dictionary`2.get_Item(TKey key) at ConstantContactUtility.Components.ContactComponent.CreateFullUpdateAtomEntry(Contact contact, String accountContactUri, String accountContactListUri) at ConstantContactUtility.Components.ContactComponent.UpdateContact(Contact contact, String apiUri, String accountContactListUri, Boolean fullUpdate) at ConstantContactUtility.Utility.UpdateContact(AuthenticationData authenticationData, Contact contact) at ConstantContactUtility.Utility.UpdateContactFullForm(AuthenticationData authenticationData, Contact contact) at GoSync.ScriptMain.Main() --- End of inner exception stack trace --- at System.RuntimeMethodHandle._InvokeMethodFast(Object target, Object[] arguments, SignatureStruct& sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwner) at System.RuntimeMethodHandle.InvokeMethodFast(Object target, Object[] arguments, Signature sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwner) at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, Boolean skipVisibilityChecks) at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) at System.RuntimeType.InvokeMember(String name, BindingFlags bindingFlags, Binder binder, Object target, Object[] providedArgs, ParameterModifier[] modifiers, CultureInfo culture, String[] namedParams) at System.Type.InvokeMember(String name, BindingFlags invokeAttr, Binder binder, Object target, Object[] args, CultureInfo culture) at Microsoft.SqlServer.Dts.Tasks.ScriptTask.VSTATaskScriptingEngine.ExecuteScript()
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