Naturalization approved but fingerprint expired

[USF]

Good day all,
pls can some one help, after such long time of waiting for case approval, and updating my case to in line for schedule for oath ceremony since June 7th 2016.
i visit today USCIS to ask it been more than one month for this update, i surprise they inform me that my fingerprint been expired on July 1st.
pls any body had pass same hard time that i passes? And i will do now??