Help to solve HMAC error using SSH.NET in VB.NET

I am looking for a freelancer who can help me solve an "Server HMAC algorithm not found" error that I am encountering while using [login to view URL] in VB.NET. Once this error is resolved, I also require that the download and upload functions work correctly. I am attaching vb.net class file so you can review my code. Specific requirements for the project include: - Expertise in VB.NET 2015 or later - Strong understanding of [login to view URL] and HMAC verification - Ability to troubleshoot and resolve the HMAC Verification Failed error - Familiarity with encryption and cryptography techniques This project is urgent and needs to be resolved ASAP. Please only apply if you are available immediately and have the necessary skills and experience.