Protobuf-net: How to debug "Nested or jagged lists and arrays are not supported"

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During serialization I've got the following error:

System.NotSupportedException: Nested or jagged lists and arrays are not supported
   at ProtoBuf.Meta.MetaType.ResolveListTypes(TypeModel model, Type type, Type& itemType, Type& defaultType)
   at ProtoBuf.Meta.MetaType.ApplyDefaultBehaviour(Boolean isEnum, ProtoMemberAttribute normalizedAttribute)
   at ProtoBuf.Meta.MetaType.ApplyDefaultBehaviour()
   at ProtoBuf.Meta.RuntimeTypeModel.FindOrAddAuto(Type type, Boolean demand, Boolean addWithContractOnly, Boolean addEvenIfAutoDisabled)
   at ProtoBuf.Meta.RuntimeTypeModel.GetKey(Type type, Boolean demand, Boolean getBaseKey)
   at ProtoBuf.Meta.ValueMember.TryGetCoreSerializer(RuntimeTypeModel model, DataFormat dataFormat, Type type, WireType& defaultWireType, Boolean asReference, Boolean dynamicType, Boolean overwriteList, Boolean allowComplexTypes)
   at ProtoBuf.Meta.ValueMember.BuildSerializer()
   at ProtoBuf.Meta.MetaType.BuildSerializer()
   at ProtoBuf.Meta.MetaType.get_Serializer()
   at ProtoBuf.Meta.RuntimeTypeModel.Serialize(Int32 key, Object value, ProtoWriter dest)
   at ProtoBuf.ProtoWriter.WriteObject(Object value, Int32 key, ProtoWriter writer)
   at proto_20(Object , ProtoWriter )
   at ProtoBuf.Serializers.CompiledSerializer.ProtoBuf.Serializers.IProtoSerializer.Write(Object value, ProtoWriter dest)
   at ProtoBuf.Meta.RuntimeTypeModel.Serialize(Int32 key, Object value, ProtoWriter dest)
   at ProtoBuf.ProtoWriter.WriteRecursionSafeObject(Object value, Int32 key, ProtoWriter writer)
   at proto_6(Object , ProtoWriter )
   at ProtoBuf.Serializers.CompiledSerializer.ProtoBuf.Serializers.IProtoSerializer.Write(Object value, ProtoWriter dest)
   at ProtoBuf.Meta.RuntimeTypeModel.Serialize(Int32 key, Object value, ProtoWriter dest)
   at ProtoBuf.ProtoWriter.WriteRecursionSafeObject(Object value, Int32 key, ProtoWriter writer)
   at proto_5(Object , ProtoWriter )
   at ProtoBuf.Serializers.CompiledSerializer.ProtoBuf.Serializers.IProtoSerializer.Write(Object value, ProtoWriter dest)
   at ProtoBuf.Meta.RuntimeTypeModel.Serialize(Int32 key, Object value, ProtoWriter dest)
   at ProtoBuf.ProtoWriter.WriteObject(Object value, Int32 key, ProtoWriter writer)
   at proto_84(Object , ProtoWriter )
   at ProtoBuf.Serializers.CompiledSerializer.ProtoBuf.Serializers.IProtoSerializer.Write(Object value, ProtoWriter dest)
   at ProtoBuf.Meta.RuntimeTypeModel.Serialize(Int32 key, Object value, ProtoWriter dest)
   at ProtoBuf.ProtoWriter.WriteRecursionSafeObject(Object value, Int32 key, ProtoWriter writer)
   at proto_32(Object , ProtoWriter )
   at ProtoBuf.Serializers.CompiledSerializer.ProtoBuf.Serializers.IProtoSerializer.Write(Object value, ProtoWriter dest)
   at ProtoBuf.Meta.RuntimeTypeModel.Serialize(Int32 key, Object value, ProtoWriter dest)
   at ProtoBuf.ProtoWriter.WriteRecursionSafeObject(Object value, Int32 key, ProtoWriter writer)
   at proto_5(Object , ProtoWriter )
   at ProtoBuf.Serializers.CompiledSerializer.ProtoBuf.Serializers.IProtoSerializer.Write(Object value, ProtoWriter dest)
   at ProtoBuf.Meta.RuntimeTypeModel.Serialize(Int32 key, Object value, ProtoWriter dest)
   at ProtoBuf.ProtoWriter.WriteObject(Object value, Int32 key, ProtoWriter writer)
   at ProtoBuf.BclHelpers.WriteNetObject(Object value, ProtoWriter dest, Int32 key, NetObjectOptions options)
   at proto_150(Object , ProtoWriter )
   at ProtoBuf.Serializers.CompiledSerializer.ProtoBuf.Serializers.IProtoSerializer.Write(Object value, ProtoWriter dest)
   at ProtoBuf.Meta.RuntimeTypeModel.Serialize(Int32 key, Object value, ProtoWriter dest)
   at ProtoBuf.ProtoWriter.WriteRecursionSafeObject(Object value, Int32 key, ProtoWriter writer)
   at proto_147(Object , ProtoWriter )
   at ProtoBuf.Serializers.CompiledSerializer.ProtoBuf.Serializers.IProtoSerializer.Write(Object value, ProtoWriter dest)
   at ProtoBuf.Meta.RuntimeTypeModel.Serialize(Int32 key, Object value, ProtoWriter dest)
   at ProtoBuf.ProtoWriter.WriteObject(Object value, Int32 key, ProtoWriter writer)
   at proto_26(Object , ProtoWriter )
   at ProtoBuf.Serializers.CompiledSerializer.ProtoBuf.Serializers.IProtoSerializer.Write(Object value, ProtoWriter dest)
   at ProtoBuf.Meta.RuntimeTypeModel.Serialize(Int32 key, Object value, ProtoWriter dest)
   at ProtoBuf.ProtoWriter.WriteRecursionSafeObject(Object value, Int32 key, ProtoWriter writer)
   at proto_6(Object , ProtoWriter )
   at ProtoBuf.Serializers.CompiledSerializer.ProtoBuf.Serializers.IProtoSerializer.Write(Object value, ProtoWriter dest)
   at ProtoBuf.Meta.RuntimeTypeModel.Serialize(Int32 key, Object value, ProtoWriter dest)
   at ProtoBuf.ProtoWriter.WriteRecursionSafeObject(Object value, Int32 key, ProtoWriter writer)
   at proto_5(Object , ProtoWriter )
   at ProtoBuf.Serializers.CompiledSerializer.ProtoBuf.Serializers.IProtoSerializer.Write(Object value, ProtoWriter dest)
   at ProtoBuf.Meta.RuntimeTypeModel.Serialize(Int32 key, Object value, ProtoWriter dest)
   at ProtoBuf.ProtoWriter.WriteObject(Object value, Int32 key, ProtoWriter writer)
   at proto_8(Object , ProtoWriter )
   at ProtoBuf.Serializers.CompiledSerializer.ProtoBuf.Serializers.IProtoSerializer.Write(Object value, ProtoWriter dest)
   at ProtoBuf.Meta.RuntimeTypeModel.Serialize(Int32 key, Object value, ProtoWriter dest)
   at ProtoBuf.ProtoWriter.WriteRecursionSafeObject(Object value, Int32 key, ProtoWriter writer)
   at proto_6(Object , ProtoWriter )
   at ProtoBuf.Serializers.CompiledSerializer.ProtoBuf.Serializers.IProtoSerializer.Write(Object value, ProtoWriter dest)
   at ProtoBuf.Meta.RuntimeTypeModel.Serialize(Int32 key, Object value, ProtoWriter dest)
   at ProtoBuf.ProtoWriter.WriteRecursionSafeObject(Object value, Int32 key, ProtoWriter writer)
   at proto_5(Object , ProtoWriter )
   at ProtoBuf.Serializers.CompiledSerializer.ProtoBuf.Serializers.IProtoSerializer.Write(Object value, ProtoWriter dest)
   at ProtoBuf.Meta.RuntimeTypeModel.Serialize(Int32 key, Object value, ProtoWriter dest)
   at ProtoBuf.ProtoWriter.WriteObject(Object value, Int32 key, ProtoWriter writer)
   at ProtoBuf.BclHelpers.WriteNetObject(Object value, ProtoWriter dest, Int32 key, NetObjectOptions options)
   at proto_142(Object , ProtoWriter )
   at ProtoBuf.Serializers.CompiledSerializer.ProtoBuf.Serializers.IProtoSerializer.Write(Object value, ProtoWriter dest)
   at ProtoBuf.Meta.RuntimeTypeModel.Serialize(Int32 key, Object value, ProtoWriter dest)
   at ProtoBuf.ProtoWriter.WriteRecursionSafeObject(Object value, Int32 key, ProtoWriter writer)
   at proto_141(Object , ProtoWriter )
   at ProtoBuf.Serializers.CompiledSerializer.ProtoBuf.Serializers.IProtoSerializer.Write(Object value, ProtoWriter dest)
   at ProtoBuf.Meta.RuntimeTypeModel.Serialize(Int32 key, Object value, ProtoWriter dest)
   at ProtoBuf.ProtoWriter.WriteObject(Object value, Int32 key, ProtoWriter writer)
   at proto_139(Object , ProtoWriter )
   at ProtoBuf.Serializers.CompiledSerializer.ProtoBuf.Serializers.IProtoSerializer.Write(Object value, ProtoWriter dest)
   at ProtoBuf.Meta.RuntimeTypeModel.Serialize(Int32 key, Object value, ProtoWriter dest)
   at ProtoBuf.ProtoWriter.WriteObject(Object value, Int32 key, ProtoWriter writer)
   at ProtoBuf.BclHelpers.WriteNetObject(Object value, ProtoWriter dest, Int32 key, NetObjectOptions options)
   at proto_80(Object , ProtoWriter )
   at ProtoBuf.Serializers.CompiledSerializer.ProtoBuf.Serializers.IProtoSerializer.Write(Object value, ProtoWriter dest)
   at ProtoBuf.Meta.RuntimeTypeModel.Serialize(Int32 key, Object value, ProtoWriter dest)
   at ProtoBuf.ProtoWriter.WriteRecursionSafeObject(Object value, Int32 key, ProtoWriter writer)
   at proto_32(Object , ProtoWriter )
   at ProtoBuf.Serializers.CompiledSerializer.ProtoBuf.Serializers.IProtoSerializer.Write(Object value, ProtoWriter dest)
   at ProtoBuf.Meta.RuntimeTypeModel.Serialize(Int32 key, Object value, ProtoWriter dest)
   at ProtoBuf.ProtoWriter.WriteRecursionSafeObject(Object value, Int32 key, ProtoWriter writer)
   at proto_5(Object , ProtoWriter )
   at ProtoBuf.Serializers.CompiledSerializer.ProtoBuf.Serializers.IProtoSerializer.Write(Object value, ProtoWriter dest)
   at ProtoBuf.Meta.RuntimeTypeModel.Serialize(Int32 key, Object value, ProtoWriter dest)
   at ProtoBuf.ProtoWriter.WriteObject(Object value, Int32 key, ProtoWriter writer)
   at proto_137(Object , ProtoWriter )
   at ProtoBuf.Serializers.CompiledSerializer.ProtoBuf.Serializers.IProtoSerializer.Write(Object value, ProtoWriter dest)
   at ProtoBuf.Meta.RuntimeTypeModel.Serialize(Int32 key, Object value, ProtoWriter dest)
   at ProtoBuf.ProtoWriter.WriteObject(Object value, Int32 key, ProtoWriter writer)
   at proto_1(Object , ProtoWriter )
   at ProtoBuf.Serializers.CompiledSerializer.ProtoBuf.Serializers.IProtoSerializer.Write(Object value, ProtoWriter dest)
   at ProtoBuf.Meta.RuntimeTypeModel.Serialize(Int32 key, Object value, ProtoWriter dest)
   at ProtoBuf.Meta.TypeModel.SerializeCore(ProtoWriter writer, Object value)
   at ProtoBuf.Meta.TypeModel.Serialize(Stream dest, Object value, SerializationContext context)
   at ProtoBuf.Serializer.Serialize[T](Stream destination, T instance)

I see the problem, but where, what type? Any suggestion how to find it?

I've tried to search Dictionary< List< and take a look what inside it, but no luck.

InnerException is null

I've tried to call ProtoBuf.Meta.RuntimeTypeModel.Default.GetSchema(typeof(LinkBudgetScenario)); the same not helpful message.

Is it possible to get a more helpful error message and not internal useless for debugging message?

2 Answers
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