second notice for fringerprint

[Tomlotus]

i have my i485 approved 6 months, but never received my GC. then i file I90 for replace my GC,as uscis told me to do so. On sept, i appeared at the support center for biometics. On nov, i received another notice to request me to appear for biometics again. anyone has gotten ideas why?? thanks in advance

[Tomlotus]

i have my i485 approved 6 months, but never received my GC. then i file I90 for replace my GC,as uscis told me to do so. On sept, i appeared at the support center for biometics. On nov, i received another notice to request me to appear for biometics again. anyone has gotten ideas why?? thanks in advance