help me for unlock galaxy N920T

I have a problem with and unlock my galaxy N9250T with Z3X SamsungToolPRO_24.3 it gives me this message.

Operation: Read Codes
Selected model: SM-N920T
Software version: 24.3

Please wait, generating hash codes file, this can take few minutes... OK
Waiting ADB device...
Please, allow USB debugging on phone... OK
Reading phone info...
Model: SM-N920T
Android version: 5.1.1
Product code: SM-N920TZWATMB
Phone version: N920TUVU2COJ5
PDA version: N920TUVU2COJ5
CSC version: N920TTMB2COJ5
CSC country code: USA
CSC sales code: TMB
HW version: REV0.2
Phone S/N: RF8G903HHRY
Modem board: SHANNON333
RF cal date: 20150902
IMEI:
Checking Super user right... true
Initialization AT RIL...
Exception: Access violation at address 004074E0 in module 'SamsungToolPRO.exe'. Read of address 00000000

Done with Samsung Tool PRO v.24.3