19-10-15 15:05:16.6309676 pid:29200 tid:10 sqltools Critical: 0 : Exception in IntelliCode extension for Microsoft SQL Language Server: System.NullReferenceException: Object reference not set to an instance of an object.
   at Microsoft.VisualStudio.IntelliCode.SQL.PythiaService.<>c__DisplayClass7_0.<GetRecommendationsAsync>b__0(Token x)
   at System.Linq.Enumerable.WhereEnumerableIterator`1.ToArray()
   at System.Linq.Buffer`1..ctor(IEnumerable`1 source)
   at System.Linq.Enumerable.ReverseIterator`1.MoveNext()
   at Microsoft.VisualStudio.IntelliCode.SQL.PythiaService.FilterTokens(IEnumerable`1 tokens, List`1 filteredTokens, Int32 precedingSequenceLength)
   at Microsoft.VisualStudio.IntelliCode.SQL.PythiaService.GetRecommendationsFromTokens(Stopwatch watch, IEnumerable`1 tokens, CompletionItem[] completions, CancellationToken cancellationToken)
   at Microsoft.VisualStudio.IntelliCode.SQL.PythiaService.GetRecommendationsAsync(ConnectionInfo connInfo, ScriptDocumentInfo scriptDocumentInfo, CompletionItem[] completions, CancellationToken cancellationToken)
   at Microsoft.VisualStudio.IntelliCode.SQL.CompletionExtension.HandleCompletionAsync(ConnectionInfo connInfo, ScriptDocumentInfo scriptDocumentInfo, CompletionItem[] completions, CancellationToken token)
19-10-15 15:40:33.9702259 pid:29200 tid:10 sqltools Critical: 0 : Exception in IntelliCode extension for Microsoft SQL Language Server: System.NullReferenceException: Object reference not set to an instance of an object.
   at Microsoft.VisualStudio.IntelliCode.SQL.PythiaService.<>c__DisplayClass7_0.<GetRecommendationsAsync>b__0(Token x)
   at System.Linq.Enumerable.WhereEnumerableIterator`1.ToArray()
   at System.Linq.Buffer`1..ctor(IEnumerable`1 source)
   at System.Linq.Enumerable.ReverseIterator`1.MoveNext()
   at Microsoft.VisualStudio.IntelliCode.SQL.PythiaService.FilterTokens(IEnumerable`1 tokens, List`1 filteredTokens, Int32 precedingSequenceLength)
   at Microsoft.VisualStudio.IntelliCode.SQL.PythiaService.GetRecommendationsFromTokens(Stopwatch watch, IEnumerable`1 tokens, CompletionItem[] completions, CancellationToken cancellationToken)
   at Microsoft.VisualStudio.IntelliCode.SQL.PythiaService.GetRecommendationsAsync(ConnectionInfo connInfo, ScriptDocumentInfo scriptDocumentInfo, CompletionItem[] completions, CancellationToken cancellationToken)
   at Microsoft.VisualStudio.IntelliCode.SQL.CompletionExtension.HandleCompletionAsync(ConnectionInfo connInfo, ScriptDocumentInfo scriptDocumentInfo, CompletionItem[] completions, CancellationToken token)
19-10-15 15:43:57.7726659 pid:29200 tid:10 sqltools Critical: 0 : Exception in IntelliCode extension for Microsoft SQL Language Server: System.NullReferenceException: Object reference not set to an instance of an object.
   at Microsoft.VisualStudio.IntelliCode.SQL.PythiaService.<>c__DisplayClass7_0.<GetRecommendationsAsync>b__0(Token x)
   at System.Linq.Enumerable.WhereEnumerableIterator`1.ToArray()
   at System.Linq.Buffer`1..ctor(IEnumerable`1 source)
   at System.Linq.Enumerable.ReverseIterator`1.MoveNext()
   at Microsoft.VisualStudio.IntelliCode.SQL.PythiaService.FilterTokens(IEnumerable`1 tokens, List`1 filteredTokens, Int32 precedingSequenceLength)
   at Microsoft.VisualStudio.IntelliCode.SQL.PythiaService.GetRecommendationsFromTokens(Stopwatch watch, IEnumerable`1 tokens, CompletionItem[] completions, CancellationToken cancellationToken)
   at Microsoft.VisualStudio.IntelliCode.SQL.PythiaService.GetRecommendationsAsync(ConnectionInfo connInfo, ScriptDocumentInfo scriptDocumentInfo, CompletionItem[] completions, CancellationToken cancellationToken)
   at Microsoft.VisualStudio.IntelliCode.SQL.CompletionExtension.HandleCompletionAsync(ConnectionInfo connInfo, ScriptDocumentInfo scriptDocumentInfo, CompletionItem[] completions, CancellationToken token)
19-10-15 15:46:23.6023527 pid:29200 tid:10 sqltools Critical: 0 : Exception in IntelliCode extension for Microsoft SQL Language Server: System.NullReferenceException: Object reference not set to an instance of an object.
   at M