System.ArgumentException: Invalid generic arguments
Parameter name: typeArguments
at (wrapper managed-to-native) System.RuntimeType.MakeGenericType(System.Type,System.Type[])
at System.RuntimeType.MakeGenericType (System.Type[] instantiation) [0×000fa] in <7ec8e29954a6455daa48484a381ec418>:0
at MongoDB.Bson.Serialization.BsonSerializationProviderBase.CreateGenericSerializer (System.Type serializerTypeDefinition, System.Type[] typeArguments, MongoDB.Bson.Serialization.IBsonSerializerRegistry serializerRegistry) [0×00001] in <5ff69d2da4404fe989a6fb30abb5b06e>:0
at MongoDB.Bson.Serialization.CollectionsSerializationProvider.GetCollectionSerializer (System.Type type, MongoDB.Bson.Serialization.IBsonSerializerRegistry serializerRegistry) [0×00495] in <5ff69d2da4404fe989a6fb30abb5b06e>:0
at MongoDB.Bson.Serialization.CollectionsSerializationProvider.GetSerializer (System.Type type, MongoDB.Bson.Serialization.IBsonSerializerRegistry serializerRegistry) [0×001a6] in <5ff69d2da4404fe989a6fb30abb5b06e>:0
at MongoDB.Bson.Serialization.BsonSerializerRegistry.CreateSerializer (System.Type type) [0×0002c] in <5ff69d2da4404fe989a6fb30abb5b06e>:0
at System.Collections.Concurrent.ConcurrentDictionary`2[TKey,TValue].GetOrAdd (TKey key, System.Func`2[T,TResult] valueFactory) [0×00034] in <7ec8e29954a6455daa48484a381ec418>:0
at MongoDB.Bson.Serialization.BsonSerializerRegistry.GetSerializer (System.Type type) [0×00052] in <5ff69d2da4404fe989a6fb30abb5b06e>:0
at MongoDB.Bson.Serialization.BsonSerializer.LookupSerializer (System.Type type) [0×00001] in <5ff69d2da4404fe989a6fb30abb5b06e>:0
at MongoDB.Bson.Serialization.BsonMemberMap.GetSerializer () [0×000d8] in <5ff69d2da4404fe989a6fb30abb5b06e>:0
at MongoDB.Bson.Serialization.BsonClassMapSerializer`1[TClass].SerializeNormalMember (MongoDB.Bson.Serialization.BsonSerializationContext context, System.Object obj, MongoDB.Bson.Serialization.BsonMemberMap memberMap) [0×00034] in <5ff69d2da4404fe989a6fb30abb5b06e>:0
at MongoDB.Bson.Serialization.BsonClassMapSerializer`1[TClass].SerializeMember (MongoDB.Bson.Serialization.BsonSerializationContext context, System.Object obj, MongoDB.Bson.Serialization.BsonMemberMap memberMap) [0×00017] in <5ff69d2da4404fe989a6fb30abb5b06e>:0
at MongoDB.Bson.Serialization.BsonClassMapSerializer`1[TClass].SerializeClass (MongoDB.Bson.Serialization.BsonSerializationContext context, MongoDB.Bson.Serialization.BsonSerializationArgs args, TClass document) [0×0009d] in <5ff69d2da4404fe989a6fb30abb5b06e>:0
at MongoDB.Bson.Serialization.BsonClassMapSerializer`1[TClass].Serialize (MongoDB.Bson.Serialization.BsonSerializationContext context, MongoDB.Bson.Serialization.BsonSerializationArgs args, TClass value) [0×00044] in <5ff69d2da4404fe989a6fb30abb5b06e>:0
at MongoDB.Bson.Serialization.Serializers.SerializerBase`1[TValue].MongoDB.Bson.Serialization.IBsonSerializer.Serialize (MongoDB.Bson.Serialization.BsonSerializationContext context, MongoDB.Bson.Serialization.BsonSerializationArgs args, System.Object value) [0×00001] in <5ff69d2da4404fe989a6fb30abb5b06e>:0
at MongoDB.Bson.Serialization.Serializers.ObjectSerializer.SerializeDiscriminatedValue (MongoDB.Bson.Serialization.BsonSerializationContext context, MongoDB.Bson.Serialization.BsonSerializationArgs args, System.Object value, System.Type actualType) [0×00021] in <5ff69d2da4404fe989a6fb30abb5b06e>:0
at MongoDB.Bson.Serialization.Serializers.ObjectSerializer.Serialize (MongoDB.Bson.Serialization.BsonSerializationContext context, MongoDB.Bson.Serialization.BsonSerializationArgs args, System.Object value) [0×0022b] in <5ff69d2da4404fe989a6fb30abb5b06e>:0
at MongoDB.Bson.Serialization.Serializers.SerializerBase`1[TValue].MongoDB.Bson.Serialization.IBsonSerializer.Serialize (MongoDB.Bson.Serialization.BsonSerializationContext context, MongoDB.Bson.Serialization.BsonSerializationArgs args, System.Object value) [0×00001] in <5ff69d2da4404fe989a6fb30abb5b06e>:0
at MongoDB.Bson.BsonExtensionMethods.ToJson (System.Object obj, System.Type nominalType, MongoDB.Bson.IO.JsonWriterSettings writerSettings, MongoDB.Bson.Serialization.IBsonSerializer serializer, System.Action`1[T] configurator, MongoDB.Bson.Serialization.BsonSerializationArgs args) [0×00098] in <5ff69d2da4404fe989a6fb30abb5b06e>:0
at MongoDB.Bson.BsonExtensionMethods.ToJson[TNominalType] (TNominalType obj, MongoDB.Bson.IO.JsonWriterSettings writerSettings, MongoDB.Bson.Serialization.IBsonSerializer`1[TValue] serializer, System.Action`1[T] configurator, MongoDB.Bson.Serialization.BsonSerializationArgs args) [0×00018] in <5ff69d2da4404fe989a6fb30abb5b06e>:0
ET.Object.ToString () [0×00001]