s6 edge not read codes

good afternoon

please help me s6 edge sm-g925w8 not direct unlock and not read codes.

this log.

Bienvenido en Octoplus/Octopus Box Samsung software versión 2.1.6
To connect SM-G925W8 phone you have to perform the following
1. Disconnect USB cable from phone.
2. Go to Menu->Settings->More->About Device.
3.Tap on "Build number" 7 times to enable developer options.
4. Go to Menu->Settings->More->Developer options.
5. Turn on "USB Debugging" option.
Plataforma: Samsung Android
Puerto seleccionado: COM4
Modelo seleccionado: SM-G925W8
Modelo del teléfono detectado: SM-G925W8
Fecha de creación del firmware: Sun May 3 00:33:35 KST 2015
PDA version: G925W8VLU1AOE1
CSC version: G925W8OYA1AOE1
Versión del SW: G925W8VLU1AOE1
Phone SN: R58G612
Android version: 5.0.2 (LRX22G)
Checking Root:
Phone is Rooted.
Reading security backup, please wait…
Backup saved as C:\Program Files (x86)\Octoplus\Octoplus_Samsung
Deactivating MSL…
Executing exploit…
Executing exploit failed
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