Error during restore

[Sawrb93]

I am getting below error, I have taken latest code from libimobiledevice

idevicerestore --erase --latest

idevicerestore 1.0.0-171-g8a5abb9

Found device in Normal mode

ECID: 5205002654384174

Identified device as n841ap, iPhone11,8

Device Product Version: 17.0.3

Device Product Build: 21A360

The following firmwares are currently being signed for iPhone11,8:

[1] 17.2.1 (build 21C66)

[2] 17.2 (build 21C62)

Select the firmware you want to restore: 1

Selected firmware 17.2.1 (build 21C66)

Verifying 'iPhone11,8_17.2.1_21C66_Restore.ipsw'...

Checksum matches.

Extracting BuildManifest from IPSW

IPSW Product Version: 17.2.1

IPSW Product Build: 21C66 Major: 21

Device supports Image4: true

Variant: Customer Erase Install (IPSW)

This restore will erase all device data.

################################ [ WARNING ] #################################

You are about to perform an ERASE restore. ALL DATA on the target device

will be IRREVERSIBLY DESTROYED. If you want to update your device without

erasing the user data, hit CTRL+C now and restart without -e or --erase

command line switch.

If you want to continue with the ERASE, please type YES and press ENTER.

##############################################################################

YES

Checking IPSW for required components...

All required components found in IPSW

Getting ApNonce in normal mode... f4 ea 78 0c 73 b3 b9 f3 fd 2a 4a a6 26 cf 66 5d d9 c3 93 e1 d4 93 1a 96 3b 07 cf 1a 86 dc 68 df

Trying to fetch new SHSH blob

Getting SepNonce in normal mode... c5 9b a7 1d b8 54 41 cc 47 68 1e 99 1a 9e ae d0 d2 a7 3b f9

Request URL set to https://gs.apple.com/TSS/controller?action=2

Sending TSS request attempt 1... response successfully received

Received SHSH blobs

Entering recovery mode...

INFO: device serial number is DX3Z8FVEKXK1

Extracting iBEC.n841.RELEASE.im4p (Firmware/dfu/iBEC.n841.RELEASE.im4p)...

Personalizing IMG4 component iBEC...

Sending iBEC (1494545 bytes)...

ERROR: Unable to send iBEC component: Unable to find device

ERROR: Unable to send iBEC to device.

ERROR: Unable to send iBEC