On Tuesday, February 28, 2017 , in accordance with the deprecation
schedule ,  v201602 of the DFP API will be sunset. At that
time, any requests made to this version will return errors.
If you're still using this version, now's the time to upgrade to the latest
release  and take advantage of new features like HTML5
creatives , programmatic
support , and retrieving
saved report queries . To do so, check the release
notes  to identify any breaking changes, grab the latest version of your client
library , and update your code.
Significant changes include:
This is not an exhaustive list, so as always, don't hesitate to reach
out to us  with any questions. To be notified of future deprecations and
sunsets, join the DFP API
Sunset Announcements  group and adjust your notification settings.
Chris Seeley ,
DFP API Team