The certificate used to sign the message was issued by a certificate authority whose own certificate is not yet valid. Make sure your computer's clock is set correctly.
Xabarga imzo qo‘yishda foydalaniladigan sertifikat egasi bo‘lgan insonga tegishli sertifikat tasdig‘iga ega sertifikat yaroqsiz. Kompyuteringizning soatini tekshirib ko‘ring.