I also received same notice yesterday and asked to do biometrics next month.
and today received a email from USCIS (forwared by my lawyer) that my I485 is still pending on FBI name check.
This email is sent out 4 days later than biometrics notice.
So Biometrics means nothing.
BTW, my PD is Feb/2002,
EB2-I140 was approved.
My last name is "ZHANG", I guess this is the reason of my NAME CHECK, since only one person matchs my first name + last name by GOOGLE, who is in china.