Dear developer,
We have discovered one or more issues with your recent submission for "NUM+(NUMBER PLUS)". To process your submission, the following issues must be corrected:
Improper Advertising Identifier [IDFA] Usage - Your app contains the Advertising Identifier [IDFA] API but you have not indicated its usage on the Prepare for Submission page in iTunes Connect.
Once these issues have been corrected, use Xcode or Application Loader to upload a new binary to iTunes Connect. Choose the new binary on the app’s Details page in My Apps on iTunes Connect, and click Submit for Review.