Cannot find msbuild solution

Build Environment
1

What path do i put on my yml file in order for my build to go through?

Build started

[2](https://ci.appveyor.com/project/rafae11/servicefabric/builds/30884787#L2)git clone -q --branch=master https://github.com/rafae11/ServiceFabric.git C:\projects\servicefabric

[3](https://ci.appveyor.com/project/rafae11/servicefabric/builds/30884787#L3)git checkout -qf 597c28aa800c150b56bc79e50cee6501745b1d44

[4](https://ci.appveyor.com/project/rafae11/servicefabric/builds/30884787#L4)nuget restore

[5](https://ci.appveyor.com/project/rafae11/servicefabric/builds/30884787#L5)The folder 'C:\projects\servicefabric' does not contain an msbuild solution or packages.config file to restore.

[6](https://ci.appveyor.com/project/rafae11/servicefabric/builds/30884787#L6)Command exited with code 1

Code Repo

https://github.com/rafae11/ServiceFabric/tree/master/Services/The%20Method/Microservice/ServiceModelEx.ServiceFabric

YML File

version: 1.0.{build}
skip_tags: true
image: Visual Studio 2019
configuration: Release
platform: Any CPU

before_build:
  - nuget restore
  - choco install opencover.portable
  - choco install codecov


build:
  verbosity: detailed
  project: ServiceModelEx.ServiceFabric\Microservice.sln