Not able to connect to local telligent installtion using Sitecore.SDK.Sample.MVC project

Hi Everyone,

I am trying tointegrate telligent within sitecore website, for that i have downloaded  Sitecore.SDK.Sample.MVC git repository. As per instructions i have added oauth client in telligent and mentioned same setting in "communityServer_SDK.config" file. But even after this i am getting below error,

Below is client setting,

Below is config file,

Can anyone please help me to resolve this issue?