Bouncycastle在我的c＃dll中嵌入dll以在vb6中运行

I was wondering if I could get help with my C# DLL in VB6, because when I compile my DLL it compiles two DLLs, one is bouncycastle.dll and other MyLibrary.dll. After registering my DLL, I run my code and I get the error:I was wondering if I could get help with my C#