stuck at boot logo after patching OCLP

Flashed monetery succeessfully and also booted successfully but after patching OCLP, its stuck at error permanently which I mentioned below. plz help

my configuration is Model - Dell Optiplex 7010, i7 - 3770 Intel HD Graphics 4000, 32gb ram, 1TB SSD.

error i see on screen -

AppleKeyStore:7456:135 unexpected session: 100000 uid: -1 requested by: 135

AppleKeyStore:11114:135 operation failed (sel: 7 ret: e00002c2, -1, 100000)

AppleKeyStore:11114:135 operation failed (sel: 7 ret: e00002bc, -1, 100000)