nuget tfs build 2015 - nuget

Question

I am trying to use NuGet to package and publish the package with TFS Build 2015 to local NuGet Server. I am getting error , I am not sure what am i missing. Thanks for Help.
Here is Error
Starting task: NuGet Packager
Set workingFolder to default: C:\Lucky\agent\tasks\NuGetPackager\0.1.58
Executing the powershell script: C:\Lucky\agent\tasks\NuGetPackager\0.1.58\NuGetPackager.ps1
Checking pattern is specified
No Pattern found in solution parameter.
Found files: 1
--File: "C:\Lucky\agent_work\1\s\Dev\FabrikamFiber.CallCenter"
The property DirectoryName does not exist or was not found.
Creating Nuget Arguments:
--ARGS: pack "C:\Lucky\agent_work\1\s\Dev\FabrikamFiber.CallCenter" -OutputDirectory "C:\Lucky\agent_work\1\s" -Properties Configuration=Release
Invoking nuget with pack "C:\Lucky\agent_work\1\s\Dev\FabrikamFiber.CallCenter" -OutputDirectory "C:\Lucky\agent_work\1\s" -Properties Configuration=Release on
C:\Lucky\agent\agent\worker\tools\NuGet.exe pack "C:\Lucky\agent_work\1\s\Dev\FabrikamFiber.CallCenter" -OutputDirectory "C:\Lucky\agent_work\1\s" -Properties Configuration=Release
MSBuild auto-detection: using msbuild version '14.0' from 'C:\Program Files (x86)\MSBuild\14.0\bin'.
Please specify a nuspec or project file to use.
Unexpected exit code 1 returned from tool NuGet.exe
Finishing task: NuGetPackager
Task NuGetPackager failed. This caused the job to fail. Look at the logs for the task for more details.

Answer 1

According to the error info:
Please specify a nuspec or project file to use. Unexpected exit code 1
returned from tool NuGet.exe
You may specified a wrong argument in nuget package task ,please double check you have followed below requirements:
Specify .csproj files (for example, **\*.csproj) for simple projects. In this case:
The packager compiles the .csproj files for packaging.
You must specify Configuration to Package (see below).
You do not have to check in a .nuspec file. If you do check one in, the packager honors its settings and replaces tokens such as $id$ and
$description$.
Specify .nuspec files (for example, **\*.nuspec) for more complex projects, such as multi-platform scenarios in which you need to
compile and package in separate steps. In this case:
The packager does not compile the .csproj files for packaging.
Each project is packaged only if it has a .nuspec file checked in.
The packager does not replace tokens in the .nuspec file (except the element, see Use build number to version package,
below). You must supply values for elements such as and
. The most common way to do this is to hardcode the
values in the .nuspec file.
Please double check your arguments , more details please refer this tutorial-- Pack NuGet packages.
Besides you could also enable verbose debug mode by adding system.debug=true to get a more detail build log info for troubleshooting.