c# wcf client Fix error when working BinaryFormatter Serialize2

Job ID: 33107689

Budget: $30 – $250 USD

I created a file dll
I extracted the code from another file dll
he is working well
I have a problem with BinaryFormatter Serialize
When I do work Serialize object .
And send this Serialize to server
Get this error

{"The formatter threw an exception while trying to deserialize the message: There was an error while trying to deserialize parameter http://tempuri.org/:OpInfo. The InnerException message was 'Element _Args from namespace http://schemas.datacontract.org/2004/07/Services cannot have child contents to be deserialized as an object. Please use XmlNode[] to deserialize this pattern of XML.'. Please see InnerException for more details."}

If use the original dll file . Don't get an error

I want to fix this error
Related categories: .NET C# Programming ADO.NET ASP.NET MVC .NET Core