Citizenship

I attended N400 (citizenship) interview at 9.00 AM, 12/07/2016. Everything is completed (civic test, reading test, writing test, and application related questions) and declared as passed. IO said, "You are all done sir and congratulations”. Once entered all my details into the system and click submit for approval, system does not accept and displays some message saying "Days are less for eligibility (I didn't see that message directly . IO told me like that). He tried his level best by changing the dates and options, verified my record book and told me that the system does not accept approval due to lack of days for eligibility from GC date . I do not know the reason (like some days less than 5 years or 4.9 years).

 Below are my details.

GC issued date: 07/27/2011.
 Out of USA 3 times (15 days in 2013, 35 days in 2014 and 30 days in 2016.So total 80 days)
 Application mailed to USCIS: 06/29/2016.
 Priority Date on receipt notice: 07/04/2016.
 Therefore, as per sent date 06/29/2016 or receipt date 07/04/2016, my application is eligible for approval (Approximately 4.11 months from GC date) but system does not allow him to approve.

After tried one hour, he gave N 652 notice with “test passed” status with "A decision cannot be made yet about your application” and says that USCIS will notify you the updates within 2 to 3 weeks (max 120 days). My supervisor will verify your application and find where the problem is.

 Has anybody have same problem and result recently? Please share with me. It will be appreciated.

Thanks,
YYYY ZZZ.