Getting clone error while SHH certificate is created and mapped with my git account. Not sure how to make it working in buildmaster. Kindly help for the same.

Cloning 'https://github.com/knitvijay/Accounts.git' into 'C:\ProgramData\BuildMaster\Temp\Service\GitWorkspaces\Accounts.git'...
Clone options: Branch=master; RecurseSubmodules=False
Unhandled exception: System.AggregateException: One or more errors occurred. ---> Inedo.ExecutionEngine.Executer.ExecutionFailureException: Clone failed: unknown certificate check failure
at Inedo.Extensions.Clients.LibGitSharp.LibGitSharpClient.CloneAsync(GitCloneOptions options) in C:\ProgramData\BuildMaster\Temp\Service_E1618\Src\Git\Common\Clients\LibGitSharp\LibGitSharpClient.cs:line 51
at Inedo.Extensions.Clients.LibGitSharp.Remote.RemoteLibGitSharpJob.<ExecuteAsync>d__9.MoveNext() in C:\ProgramData\BuildMaster\Temp\Service_E1618\Src\Git\Common\Clients\LibGitSharp\Remote\RemoteLibGitSharpJob.cs:line 49
--- End of inner exception stack trace ---
at System.Threading.Tasks.Task1.GetResultCore(Boolean waitCompletionNotification) at Inedo.BuildMaster.Extensibility.Agents.Local.LocalAgent.<>c__DisplayClass4_0.<Inedo.Agents.IRemoteJobExecuter.ExecuteJobAsync>b__0() at System.Threading.Tasks.Task1.InnerInvoke()
at System.Threading.Tasks.Task.Execute()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Inedo.Extensions.Clients.LibGitSharp.Remote.RemoteLibGitSharpClient.<ExecuteRemoteAsync>d__11.MoveNext() in C:\ProgramData\BuildMaster\Temp\Service_E1618\Src\Git\Common\Clients\LibGitSharp\Remote\RemoteLibGitSharpClient.cs:line 92
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Inedo.Extensions.Operations.GetSourceOperation`1.<ExecuteAsync>d__20.MoveNext() in C:\ProgramData\BuildMaster\Temp\Service_E1618\Src\Git\Common\Operations\GetSourceOperation.cs:line 80
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()