Samsung G920A unlock failed

Using Version...1.0.0.0058
Selected Model GT-I5500
Selected Port SAMSUNG Mobile USB Modem #87 COM169
Selected Task SAMSUNG ADB UNLOCK

Searching ADB device Please wait..
Device Detected...
SELinux := Enforcing
model:= SAMSUNG-SM-G920A
Androids Version:= 7.0
Description Version:= zeroflteuc-user 7.0 NRD90M G920AUCU7ERB1 release-keys
Platform:= exynos5 [ samsungexynos7420 ] [ SHANNON333 ]
Baseband:= G920AUCU7ERB1
VER:= G920AUCU7ERB1/G920AATT7ERB1/G920AUCU7ERB1/G920AUCU7ERB1
Carrier := ATT_USA
Knox Warranty := Not Void
Security Patch := 01-02-2018
Network Mode := LTE
Simstatus:= ABSENT
ANDROID-ID = 06157df65824c124_000081EAF1
Device is not rooted

SAMSUNG ADB UNLOCK STARTED...

SS333 No Root Method Selected...
Reading Backup..

Badfilesize
Fail to read Security data contact support.

!!! Fail !!!!

Restart Phone Manually if not done auto...
Total Time Take...00:00:02
Log Saved