deployment package downloading not happening

not able to download the build packages to the client machine as a part of deployment.

error :

Starting OCS Inventory NG Package Download and Setup Tool on Thursday, March 09, 2017 16:06:14.
DOWNLOAD => Running OCS Inventory NG Download Version 2.1.1.3
DOWNLOAD => Using OCS Inventory NG FrameWork Version 2.1.1.3
DOWNLOAD => Using network connection with Communication Server
 COM PROVIDER => Loading Communication Provider <C:\Program Files (x86)\OCS Inventory Agent\ComHTTP.dll>
DOWNLOAD => Using Communication Provider <OCS Inventory NG cURL Communication Provider> Version <2.1.1.3>
DOWNLOAD => Starting new period of 10 cycles
 DOWNLOAD => Flushing package queue
DOWNLOAD => Parsing directory <C:\ProgramData\OCS Inventory NG\Agent\download> for packages
DOWNLOAD => No package found, exiting
DOWNLOAD => Unloading communication provider
DOWNLOAD => Execution duration: 00:00:00.