Google Plus sharing not working when I am sending any picture

I am getting this problem when I am using google plus sharing in our application, Now I am using developer account for this. I am not able to plusPages option.

Error.

stdClass Object
(
    [Status] => stdClass Object
        (
            [google] => stdClass Object
                (
                    [status] => 403
                    [info] => Access Not Configured. Google+ Pages API has not been used in project 38616112478
 before or it is disabled. Enable it by visiting http://ift.tt/2ka8oix
/overview?project=38616112478 then retry. If you enabled this API recently, wait a few minutes for the
 action to propagate to our systems and retry.: 
                )

        )

    [URIs] => Array
        (
        )

)

How I can test this google + sharing with attachment its very problem.

via Chebli Mohamed