Unhandled Exception: System.ArgumentNullException: Value cannot be null.
Parameter name: method
at System.Linq.Expressions.Expression.ValidateCallArgs(Expression instance, MethodInfo method, ReadOnlyCollection`1& arguments)
at System.Linq.Expressions.Expression.Call(Expression instance, MethodInfo method, IEnumerable`1 arguments)
at System.Linq.Expressions.Expression.Call(Expression instance, MethodInfo method, Expression[] arguments)
at MongoDB.Bson.DefaultSerializer.BsonMemberMap.GetPropertySetter() in C:\workspace\mongodb-mongo-csharp-driver-14c97e4\Bson\Defa
ultSerializer\BsonMemberMap.cs:line 282
at MongoDB.Bson.DefaultSerializer.BsonMemberMap.get_Setter() in C:\workspace\mongodb-mongo-csharp-driver-14c97e4\Bson\DefaultSeri
alizer\BsonMemberMap.cs:line 116
at MongoDB.Bson.DefaultSerializer.BsonClassMapSerializer.DeserializeMember(BsonReader bsonReader, Object obj, BsonMemberMap membe
rMap) in C:\workspace\mongodb-mongo-csharp-driver-14c97e4\Bson\DefaultSerializer\BsonClassMapSerializer.cs:line 222
at MongoDB.Bson.DefaultSerializer.BsonClassMapSerializer.Deserialize(BsonReader bsonReader, Type nominalType, Type actualType) in
C:\workspace\mongodb-mongo-csharp-driver-14c97e4\Bson\DefaultSerializer\BsonClassMapSerializer.cs:line 94
at MongoDB.Bson.DefaultSerializer.BsonClassMapSerializer.DeserializeMember(BsonReader bsonReader, Object obj, BsonMemberMap membe
rMap) in C:\workspace\mongodb-mongo-csharp-driver-14c97e4\Bson\DefaultSerializer\BsonClassMapSerializer.cs:line 220
at MongoDB.Bson.DefaultSerializer.BsonClassMapSerializer.Deserialize(BsonReader bsonReader, Type nominalType, Type actualType) in
C:\workspace\mongodb-mongo-csharp-driver-14c97e4\Bson\DefaultSerializer\BsonClassMapSerializer.cs:line 94
at MongoDB.Bson.DefaultSerializer.BsonClassMapSerializer.Deserialize(BsonReader bsonReader, Type nominalType) in C:\workspace\mon
godb-mongo-csharp-driver-14c97e4\Bson\DefaultSerializer\BsonClassMapSerializer.cs:line 62
at MongoDB.Bson.Serialization.BsonSerializer.Deserialize(BsonReader bsonReader, Type nominalType) in C:\workspace\mongodb-mongo-c
sharp-driver-14c97e4\Bson\Serialization\BsonSerializer.cs:line 70
at MongoDB.Bson.Serialization.BsonSerializer.Deserialize[T](BsonReader bsonReader) in C:\workspace\mongodb-mongo-csharp-driver-14
c97e4\Bson\Serialization\BsonSerializer.cs:line 46
at MongoDB.Driver.Internal.MongoReplyMessage`1.ReadFrom(BsonBuffer buffer) in C:\workspace\mongodb-mongo-csharp-driver-14c97e4\Dr
iver\Internal\MongoReplyMessage.cs:line 88
at MongoDB.Driver.Internal.MongoConnection.ReceiveMessage[TDocument]() in C:\workspace\mongodb-mongo-csharp-driver-14c97e4\Driver
\Internal\MongoConnection.cs:line 313
at MongoDB.Driver.MongoCursor`2.MongoCursorEnumerator.GetReply(MongoRequestMessage message) in C:\workspace\mongodb-mongo-csharp-
driver-14c97e4\Driver\Core\MongoCursor.cs:line 488
at MongoDB.Driver.MongoCursor`2.MongoCursorEnumerator.GetFirst() in C:\workspace\mongodb-mongo-csharp-driver-14c97e4\Driver\Core\
MongoCursor.cs:line 453