Samsung S6E Plus G928W8 Unlock FAILED

What’s wrong with z3x box for some days ? :confused:

Operation: Unlock
Selected model: SM-G928W8
Software version: 23.9

Waiting ADB device… OK
Reading phone info…
Model: SM-G928W8
Android version: 5.1.1
Product code: SM-G928WZKAFMC
Phone version: G928W8VLU2AOK5
PDA version: G928W8VLU2AOK5
CSC version: G928W8OYA2AOK5
CSC country code: Canada
CSC sales code: FMC
HW version: REV0.1
Phone S/N: R58G71Q1PSY
Modem board: SHANNON333
RF cal date: 20150726
Checking Super user right… true
Initializating zTool… OK
Running zTool, please wait… error (7.7.8)

Done with Samsung Tool PRO v.23.9