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Snowflake Connector Error

When attempting to set up Snowflake as a datasource in PowerBI desktop, I get the below error:

kha_n10_0-1667453645870.png

 

Release:
October 2022

Product Version:
2.110.805.0 (22.10) (x64)

Stack Trace:
Microsoft.Mashup.Host.Document.SerializedException
Microsoft.Mashup.Evaluator.Interface.ErrorException: Value cannot be null.
Parameter name: source ---> Microsoft.Mashup.Evaluator.Interface.ErrorException: Value cannot be null.
Parameter name: source ---> Microsoft.Mashup.Evaluator.Interface.ErrorException: Value cannot be null.
Parameter name: source ---> Microsoft.Mashup.Evaluator.Interface.ErrorException: Value cannot be null.
Parameter name: source ---> Microsoft.Mashup.Evaluator.Interface.ErrorException: Value cannot be null.
Parameter name: source ---> System.ArgumentNullException: Value cannot be null.
Parameter name: source ---> System.ArgumentNullException: Value cannot be null.
Parameter name: source
   at System.Linq.Enumerable.Where[TSource](IEnumerable`1 source, Func`2 predicate)
   at Microsoft.Mashup.Engine1.Library.Odbc.OdbcMultiLevelNavigationProvider.GetTableItems(Restriction selectedCatalog, Restriction selectedSchema)
   at Microsoft.Mashup.Engine1.Library.Odbc.OdbcMultiLevelNavigationProvider.GetCatalogHierarchy(Restriction selectedCatalog)
   at Microsoft.Mashup.Engine1.Library.Odbc.OdbcMultiLevelNavigationProvider.GetSchemaItems(Restriction selectedCatalog)
   at Microsoft.Mashup.Engine1.Library.Common.Navigation.HierarchicalNavigationTableValue.SchemaLevel.get_Items()
   at Microsoft.Mashup.Engine1.Library.Common.Navigation.HierarchicalNavigationTableValue.<GetEnumerator>d__17.MoveNext()
   at Microsoft.Mashup.Engine1.Language.Query.SelectRowsQuery.SelectRowsEnumerable.SelectRowsEnumerator.MoveNext()
   at Microsoft.Mashup.Engine1.Runtime.SkipTakeEnumerator`1.MoveNext()
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Linq.Buffer`1..ctor(IEnumerable`1 source)
   at System.Linq.Enumerable.ToArray[TSource](IEnumerable`1 source)
   at Microsoft.Mashup.Engine1.Runtime.Library.List.BufferFunctionValue.TypedInvoke(ListValue list)
   at Microsoft.Mashup.Engine1.Runtime.NativeFunctionValue1`2.Invoke(Value arg0)
   at Microsoft.Mashup.Engine1.Runtime.TableValue.BufferedTableValue.BufferTable(TableValue table)
   at Microsoft.Mashup.Engine1.Runtime.TableValue.Buffer(BufferMode bufferMode)
   at Microsoft.Mashup.Engine1.Runtime.WrappingTableValue.Buffer(BufferMode bufferMode)
   at Microsoft.Mashup.Engine1.Library.Table.TableModule.Table.BufferFunctionValue.TypedInvoke(TableValue table, Value options)
   at Microsoft.Mashup.Engine1.Runtime.NativeFunctionValue2`3.Invoke(Value arg0, Value arg1)
   at Microsoft.Mashup.Engine1.Language.DebugInstruction.Execute(MembersFrame1& frame)
   at Microsoft.Mashup.Engine1.Language.FunctionInvocationInstruction2.Execute(MembersFrame1& frame)
   at Microsoft.Mashup.Engine1.Language.DebugInstruction.Execute(MembersFrame1& frame)
   at Microsoft.Mashup.Engine1.Language.DebugInstruction.Execute(MembersFrame1& frame)
   at Microsoft.Mashup.Engine1.Language.InstructionInvocationInstruction2.Execute(MembersFrame1& frame)
   at Microsoft.Mashup.Engine1.Language.DebugInstruction.Execute(MembersFrame1& frame)
   at Microsoft.Mashup.Engine1.Language.MembersFunctionValue1.Invoke(Value arg0)
   at Microsoft.Mashup.Engine1.Language.RecordInstruction.RuntimeRecordValue.Force(Int32 index)
   at Microsoft.Mashup.Engine1.Language.RecordInstruction.RuntimeRecordValue.get_Item(Int32 index)
   at Microsoft.Mashup.Engine1.Language.InstructionInvocationInstruction1.Execute(MembersFrame1& frame)
   at Microsoft.Mashup.Engine1.Language.DebugInstruction.Execute(MembersFrame1& frame)
   at Microsoft.Mashup.Engine1.Language.InstructionInvocationInstruction1.Execute(MembersFrame1& frame)
   at Microsoft.Mashup.Engine1.Language.DebugInstruction.Execute(MembersFrame1& frame)
   at Microsoft.Mashup.Engine1.Language.Instruction.Execute(MembersFrame1& frame, Instruction[] instructions)
   at Microsoft.Mashup.Engine1.Language.InstructionInvocationInstruction.Execute(MembersFrame1& frame)
   at Microsoft.Mashup.Engine1.Language.DebugInstruction.Execute(MembersFrame1& frame)
   at Microsoft.Mashup.Engine1.Language.InstructionInvocationInstruction2.Execute(MembersFrame1& frame)
   at Microsoft.Mashup.Engine1.Language.DebugInstruction.Execute(MembersFrame1& frame)
   at Microsoft.Mashup.Engine1.Language.MembersFunctionValue1.Invoke(Value arg0)
   at Microsoft.Mashup.Engine1.Language.RecordInstruction.RuntimeRecordValue.Force(Int32 index)
   at Microsoft.Mashup.Engine1.Language.RecordInstruction.RuntimeRecordValue.get_Item(Int32 index)
   at Microsoft.Mashup.Engine1.Language.InstructionInvocationInstruction1.Execute(MembersFrame1& frame)
   at Microsoft.Mashup.Engine1.Language.DebugInstruction.Execute(MembersFrame1& frame)
   at Microsoft.Mashup.Engine1.Language.FunctionInvocationInstruction2.Execute(MembersFrame1& frame)
   at Microsoft.Mashup.Engine1.Language.Instruction.ExecuteCondition(MembersFrame1& frame)
   at Microsoft.Mashup.Engine1.Language.DebugInstruction.ExecuteCondition(MembersFrame1& frame)
   at Microsoft.Mashup.Engine1.Language.IfInstruction.Execute(MembersFrame1& frame)
   at Microsoft.Mashup.Engine1.Language.DebugInstruction.Execute(MembersFrame1& frame)
   at Microsoft.Mashup.Engine1.Language.InstructionInvocationInstruction2.Execute(MembersFrame1& frame)
   at Microsoft.Mashup.Engine1.Language.DebugInstruction.Execute(MembersFrame1& frame)
   at Microsoft.Mashup.Engine1.Language.MembersFunctionValue1.Invoke(Value arg0)
   at Microsoft.Mashup.Engine1.Language.RecordInstruction.RuntimeRecordValue.Force(Int32 index)
   at Microsoft.Mashup.Engine1.Language.RecordInstruction.RuntimeRecordValue.get_Item(Int32 index)
   at Microsoft.Mashup.Engine1.Language.MembersFunctionValue1.Invoke(Value arg0)
   at Microsoft.Mashup.Engine1.Language.RecordInstruction.RuntimeRecordValue.Force(Int32 index)
   at Microsoft.Mashup.Engine1.Language.RecordInstruction.RuntimeRecordValue.get_Item(Int32 index)
   at Microsoft.Mashup.Engine1.Runtime.Library.Linker.BindFunctionValue.TypedInvoke(RecordValue environment, Value section, TextValue name)
   at Microsoft.Mashup.Engine1.Runtime.NativeFunctionValue3`4.Invoke(Value arg0, Value arg1, Value arg2)
   at Microsoft.Mashup.Engine1.Language.MembersFunctionValue0.Invoke()
   at Microsoft.Mashup.Engine1.Language.ListInstruction.RuntimeListValue.Force(Int32 index)
   at Microsoft.Mashup.Engine1.Language.ListInstruction.RuntimeListValue.get_Item(Int32 index)
   at Microsoft.Mashup.Engine1.Language.MembersFunctionValue1.Invoke(Value arg0)
   at Microsoft.Mashup.Engine1.Language.RecordInstruction.RuntimeRecordValue.Force(Int32 index)
   at Microsoft.Mashup.Engine1.Language.RecordInstruction.RuntimeRecordValue.get_Item(Int32 index)
   at Microsoft.Mashup.Engine1.Language.FunctionInvocationInstruction2.Execute(MembersFrame1& frame)
   at Microsoft.Mashup.Engine1.Language.Instruction.ExecuteCondition(MembersFrame1& frame)
   at Microsoft.Mashup.Engine1.Language.DebugInstruction.ExecuteCondition(MembersFrame1& frame)
   at Microsoft.Mashup.Engine1.Language.IfInstruction.Execute(MembersFrame1& frame)
   at Microsoft.Mashup.Engine1.Language.DebugInstruction.Execute(MembersFrame1& frame)
   at Microsoft.Mashup.Engine1.Language.MembersFunctionValue1.Invoke(Value arg0)
   at Microsoft.Mashup.Engine1.Language.RecordInstruction.RuntimeRecordValue.Force(Int32 index)
   at Microsoft.Mashup.Engine1.Language.RecordInstruction.RuntimeRecordValue.get_Item(Int32 index)
   at Microsoft.Mashup.Engine1.Language.MembersFunctionValue0.Invoke()
   at Microsoft.Mashup.Evaluator.SimpleDocumentEvaluator.BeginGetResult(DocumentEvaluationParameters parameters, Action`1 callback)
   --- End of inner exception stack trace ---
   at Microsoft.Mashup.Evaluator.SimpleDocumentEvaluator.BeginGetResult(DocumentEvaluationParameters parameters, Action`1 callback)
   at Microsoft.Mashup.Evaluator.SimpleDocumentEvaluator.BeginGetResult(DocumentEvaluationParameters parameters, Action`1 callback)
   at Microsoft.Mashup.Evaluator.FirewallPartition.BeginGetResult[T](Action`1 callback)
   at Microsoft.Mashup.Evaluator.FirewallDocumentEvaluator.Evaluation`1.OnBufferComplete(Exception exception)
   at Microsoft.Mashup.Evaluator.Firewall.BeginBufferPartitions(Action`1 callback)
   at Microsoft.Mashup.Evaluator.FirewallDocumentEvaluator.BeginGetResultInternal[T](DocumentEvaluationParameters parameters, Action`1 callback)
   at Microsoft.Mashup.Evaluator.Interface.IDocumentEvaluatorExtensions.GetResult[T](IDocumentEvaluator`1 evaluator, DocumentEvaluationParameters parameters)
   at Microsoft.Mashup.Evaluator.RemoteDocumentEvaluator.Service.OnBeginGetResult[T](IMessageChannel channel, BeginGetResultMessage message, Action`1 action)
   at Microsoft.Mashup.Evaluator.RemoteDocumentEvaluator.Service.OnBeginGetPreviewValueSource(IMessageChannel channel, BeginGetPreviewValueSourceMessage message)
   at Microsoft.Mashup.Evaluator.MessageHandlers.TryDispatch(IMessageChannel channel, Message message)
   at Microsoft.Mashup.Evaluator.ChannelMessenger.ChannelMessageHandlers.TryDispatch(IMessageChannel channel, Message message)
   at Microsoft.Mashup.Evaluator.MessageHandlers.Dispatch(IMessageChannel channel, Message message)
   at Microsoft.Mashup.Evaluator.ChannelMessenger.OnMessageWithUnknownChannel(IMessageChannel baseChannel, MessageWithUnknownChannel messageWithUnknownChannel)
   at Microsoft.Mashup.Evaluator.MessageHandlers.TryDispatch(IMessageChannel channel, Message message)
   at Microsoft.Mashup.Evaluator.ChannelMessenger.ChannelMessageHandlers.TryDispatch(IMessageChannel channel, Message message)
   at Microsoft.Mashup.Evaluator.MessageHandlers.Dispatch(IMessageChannel channel, Message message)
   at Microsoft.Mashup.Evaluator.EvaluationHost.Run()
   at Microsoft.Mashup.Container.EvaluationContainerMain.Run(Object args)
   at Microsoft.Mashup.Evaluator.SafeThread2.<>c__DisplayClass9_0.<CreateAction>b__0(Object o)
   at Microsoft.Mashup.Container.EvaluationContainerMain.SafeRun(String[] args)
   at Microsoft.Mashup.Container.EvaluationContainerMain.Main(String[] args)
   --- End of inner exception stack trace ---
   at Microsoft.Mashup.Evaluator.SimpleDocumentEvaluator.<>c__DisplayClass3_0.<BeginGetResult>b__0(EvaluationResult2`1 result)
   --- End of inner exception stack trace ---
   at Microsoft.Mashup.Evaluator.SimpleDocumentEvaluator.<>c__DisplayClass3_0.<BeginGetResult>b__0(EvaluationResult2`1 result)
   at Microsoft.Mashup.Evaluator.SimpleDocumentEvaluator.BeginGetResult(DocumentEvaluationParameters parameters, Action`1 callback)
   at Microsoft.Mashup.Evaluator.SimpleDocumentEvaluator.BeginGetResult(DocumentEvaluationParameters parameters, Action`1 callback)
   at Microsoft.Mashup.Evaluator.FirewallPartition.BeginGetResult[T](Action`1 callback)
   at Microsoft.Mashup.Evaluator.FirewallDocumentEvaluator.Evaluation`1.OnBufferComplete(Exception exception)
   at Microsoft.Mashup.Evaluator.Firewall.BeginBufferPartitions(Action`1 callback)
   at Microsoft.Mashup.Evaluator.FirewallDocumentEvaluator.BeginGetResultInternal[T](DocumentEvaluationParameters parameters, Action`1 callback)
   at Microsoft.Mashup.Evaluator.Interface.IDocumentEvaluatorExtensions.GetResult[T](IDocumentEvaluator`1 evaluator, DocumentEvaluationParameters parameters)
   at Microsoft.Mashup.Evaluator.RemoteDocumentEvaluator.Service.OnBeginGetResult[T](IMessageChannel channel, BeginGetResultMessage message, Action`1 action)
   at Microsoft.Mashup.Evaluator.RemoteDocumentEvaluator.Service.OnBeginGetPreviewValueSource(IMessageChannel channel, BeginGetPreviewValueSourceMessage message)
   at Microsoft.Mashup.Evaluator.MessageHandlers.TryDispatch(IMessageChannel channel, Message message)
   at Microsoft.Mashup.Evaluator.ChannelMessenger.ChannelMessageHandlers.TryDispatch(IMessageChannel channel, Message message)
   at Microsoft.Mashup.Evaluator.MessageHandlers.Dispatch(IMessageChannel channel, Message message)
   at Microsoft.Mashup.Evaluator.ChannelMessenger.OnMessageWithUnknownChannel(IMessageChannel baseChannel, MessageWithUnknownChannel messageWithUnknownChannel)
   at Microsoft.Mashup.Evaluator.MessageHandlers.TryDispatch(IMessageChannel channel, Message message)
   at Microsoft.Mashup.Evaluator.ChannelMessenger.ChannelMessageHandlers.TryDispatch(IMessageChannel channel, Message message)
   at Microsoft.Mashup.Evaluator.MessageHandlers.Dispatch(IMessageChannel channel, Message message)
   at Microsoft.Mashup.Evaluator.EvaluationHost.Run()
   at Microsoft.Mashup.Container.EvaluationContainerMain.Run(Object args)
   at Microsoft.Mashup.Evaluator.SafeThread2.<>c__DisplayClass9_0.<CreateAction>b__0(Object o)
   at Microsoft.Mashup.Container.EvaluationContainerMain.SafeRun(String[] args)
   at Microsoft.Mashup.Container.EvaluationContainerMain.Main(String[] args)
   --- End of inner exception stack trace ---
   at Microsoft.Mashup.Evaluator.RemoteDocumentEvaluator.Service.<>c__DisplayClass9_1.<OnBeginGetPreviewValueSource>b__1()
   at Microsoft.Mashup.Evaluator.RemotePreviewValueSource.<>c__DisplayClass0_0.<RunStub>b__0()
   at Microsoft.Mashup.Evaluator.EvaluationHost.ReportExceptions(String entryName, IEngineHost engineHost, IMessageChannel channel, Action action)
   --- End of inner exception stack trace ---
   at Microsoft.Mashup.Evaluator.EvaluationHost.<>c__DisplayClass17_0.<TryReportException>b__1()
   at Microsoft.Mashup.Common.SafeExceptions.IgnoreSafeExceptions(IEngineHost host, IHostTrace trace, Action action)
   at Microsoft.Mashup.Evaluator.EvaluationHost.TryReportException(IHostTrace trace, IEngineHost engineHost, IMessageChannel channel, Exception exception)
   at Microsoft.Mashup.Evaluator.EvaluationHost.ReportExceptions(String entryName, IEngineHost engineHost, IMessageChannel channel, Action action)
   at Microsoft.Mashup.Evaluator.RemoteDocumentEvaluator.Service.<>c__DisplayClass12_1`1.<OnBeginGetResult>b__0()
   at Microsoft.Mashup.Evaluator.EvaluationHost.ReportExceptions(IHostTrace trace, IEngineHost engineHost, IMessageChannel channel, Action action)
   at Microsoft.Mashup.Evaluator.RemoteDocumentEvaluator.Service.OnBeginGetResult[T](IMessageChannel channel, BeginGetResultMessage message, Action`1 action)
   at Microsoft.Mashup.Evaluator.RemoteDocumentEvaluator.Service.OnBeginGetPreviewValueSource(IMessageChannel channel, BeginGetPreviewValueSourceMessage message)
   at Microsoft.Mashup.Evaluator.MessageHandlers.TryDispatch(IMessageChannel channel, Message message)
   at Microsoft.Mashup.Evaluator.ChannelMessenger.ChannelMessageHandlers.TryDispatch(IMessageChannel channel, Message message)
   at Microsoft.Mashup.Evaluator.MessageHandlers.Dispatch(IMessageChannel channel, Message message)
   at Microsoft.Mashup.Evaluator.ChannelMessenger.OnMessageWithUnknownChannel(IMessageChannel baseChannel, MessageWithUnknownChannel messageWithUnknownChannel)
   at Microsoft.Mashup.Evaluator.MessageHandlers.TryDispatch(IMessageChannel channel, Message message)
   at Microsoft.Mashup.Evaluator.ChannelMessenger.ChannelMessageHandlers.TryDispatch(IMessageChannel channel, Message message)
   at Microsoft.Mashup.Evaluator.MessageHandlers.Dispatch(IMessageChannel channel, Message message)
   at Microsoft.Mashup.Evaluator.EvaluationHost.Run()
   at Microsoft.Mashup.Container.EvaluationContainerMain.Run(Object args)
   at Microsoft.Mashup.Evaluator.SafeThread2.<>c__DisplayClass9_0.<CreateAction>b__0(Object o)
   at Microsoft.Mashup.Container.EvaluationContainerMain.SafeRun(String[] args)
   at Microsoft.Mashup.Container.EvaluationContainerMain.Main(String[] args)
   --- End of inner exception stack trace ---
   at Microsoft.Mashup.Evaluator.EvaluationHost.OnException(IEngineHost engineHost, IMessageChannel channel, ExceptionMessage message)
   at Microsoft.Mashup.Evaluator.MessageHandlers.TryDispatch(IMessageChannel channel, Message message)
   at Microsoft.Mashup.Evaluator.MessageHandlers.Dispatch(IMessageChannel channel, Message message)
   at Microsoft.Mashup.Evaluator.ChannelMessenger.ChannelMessageHandlers.TryDispatch(IMessageChannel channel, Message message)
   at Microsoft.Mashup.Evaluator.MessageHandlers.Dispatch(IMessageChannel channel, Message message)
   at Microsoft.Mashup.Evaluator.Interface.IMessageChannelExtensions.WaitFor[T](IMessageChannel channel)
   at Microsoft.Mashup.Evaluator.RemotePreviewValueSource.PreviewValueSource.WaitFor(Func`1 condition, Boolean disposing)
   at Microsoft.Mashup.Evaluator.RemotePreviewValueSource.PreviewValueSource.get_Value()
   at Microsoft.Mashup.Evaluator.Interface.TracingPreviewValueSource.get_Value()
   at Microsoft.Mashup.Host.Document.Preview.PreviewEvaluation.<>c__DisplayClass22_0.<StartEvaluation>b__0(EvaluationResult2`1 result)

 

Status: Delivered

Hi @kha_n10 

I am so glad to hear that you have fixed your issue . I will change the status to "Delivered" so that people who have the same problem as you can find a solution . Thanks for your sharing .

 

Best Regards,
Community Support Team _ Ailsa Tao

Comments
Ailsa-msft
Community Support
Status changed to: Investigating

Hi @kha_n10 

Did you check the value in STAGING(1) ? From the error message , it seems that the error is caused by the presence of null values .

 

Best Regards,
Community Support Team _ Ailsa Tao

kha_n10
New Member

Hi @Ailsa-msft 

 

I understand the error message is indicating there is a NULL value.

But I have no idea where the issue is.

 

I've followed the prompts to connect to Snowflake so I've filled out all the required info/parameters.

The error message is not very informative.

 

Thanks,

Kha

DarinSpence
Frequent Visitor

I'm getting this exact same error when I try to connect to Snowflake from Power BI Desktop of Power BI Service (via a new Dataflow).  Did you get the connection working?

kha_n10
New Member

Hi @DarinSpence,

 

Yes the issue was that my snowflake database name contained a hyphen "-" and Power BI doesn't like that.

 

Bad database name: "SAMPLE-DB"

Good database name: "SAMPLE_DB"

 

Simply removing any hyphens fixed the issue.

 

Hopefully this solves your issue too.

DarinSpence
Frequent Visitor

My database name has no special characters.  Thanks anyway!

Ailsa-msft
Community Support
Status changed to: Delivered

Hi @kha_n10 

I am so glad to hear that you have fixed your issue . I will change the status to "Delivered" so that people who have the same problem as you can find a solution . Thanks for your sharing .

 

Best Regards,
Community Support Team _ Ailsa Tao