Samsung S7 Edge G935W8 read code failed

Hello Team

I have tried another Same model today and read code failed, log is here please adv your feedback.

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Chimera Mobile Phone Utility version: 10.58.1319 @ 2016-06-24

[Read codes started]

Gathering phone info…
Collecting information. Be patient! Do NOT disconnect the phone!
Model: SM-G935W8
Sales Code: TLS
Country Code: Canada
Timezone: America/St_Johns
Android Version: 6.0.1 [MMB29K]
Build Date: Wed Apr 6 20:00:42 KST 2016
PDA Version: G935W8VLU1APD3 [april 2016, rev3]
Phone Version: G935W8VLU1APD3 [april 2016, rev3]
CSC Version: G935W8OYA1APD3 [april 2016, rev3]
Product Code: SM-G935WZKATLS
HIDSw Version: G935W8VLU1APD3/G935W8OYA1APD3/G935W8VLU1APD3/G935W8VLU1APD3
Board Platform: EXYNOS5
Modem Platform: SHANNON335
Serial Number: RF8H60LQTGE
Imei: 3561600xxxxxxxx
Unique Number: 988678304A42524D57
Connections: AT,MTP
Battery Status: 4.02V (70%)
Network Type: GSM
SIM Status: NETWORK_LOCKED
Knox Version: v30
Warranty Bit: 0
Security Patch: 2016-04-02

Checking custom root image…
Present.
Checking accounts. Be patient! Do NOT disconnect the phone!

Rooting by custom image based root method…

Flashing firmware…
Switching to download mode.
Waiting for download mode.
Connecting.
Reading PIT.
Flashing boot.img
Restarting phone.
Waiting for ADB connection. Be patient! Do NOT disconnect the phone!

Checking root state…
Rooted.
Disabling knox. Be patient! Do NOT disconnect the phone!
Knox disabled.

Reading Codes…
Reading and storing secure image. Be patient! Do NOT disconnect the phone!
Checking secure image.
Preparing.
Calculating. Be patient! Do NOT disconnect the phone!
Trying again.
Backing up actual modem. Be patient! Do NOT disconnect the phone!
Decompressing modem image.
Sending modem image. Be patient! Do NOT disconnect the phone!
Read codes failed.

Flashing stock boot image…
Downloading stock boot image. Be patient! Do NOT disconnect the phone!
Checking downloaded image.
Flashing stock boot image.

Flashing firmware…
Switching to download mode.
Waiting for download mode.
Connecting.
Reading PIT.
Flashing boot.img
Restarting phone.
Unable to read codes.
Finished at local time: [06.24.16 11:45:00]
WorkID: 11646608