g935t unlock Server error credit taken twice

Operation: Unlock
Selected model: SM-G935T
Software version: 34.11

Checking Login and Password... OK
Ballance: 35 crd.
You have 35 credit(s) left. This operation takes 10 credits.Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SM-G935T
Android version: 8.0.0
PDA version: G935TUVS8CRL1
CSC version: G935TTMB8CRL1
Phone version: G935TUVS8CRL1
Product code: SM2G935TZSATMB
CSC country code: USA
CSC sales code: TMB
Phone SN: RF8HB08MRGK
IMEI: 357751075976149
HW version: REV0.7
RF cal date: 2016.11.03
Chip name: MSM8996
Modem board: MSM8996
Security patch: 2018-12-01
Boot Warranty bit: 0
SIM State: ABSENT
Waiting for device to become ready... OK
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... OK
Rebooting to upload... OK
Searching Ramdump interface... COM73 detected
Reading data from phone... OK
Calculating... OK
Searching server... OK
Waiting for server answer... OK
Waiting ADB device... OK
Waiting for device to become ready... OK
Initialization zTool... OK
Running zTool, please wait...
Card error error (1 Segmentation fault (core dumped))
Retry 1...
Initialization zTool... OK
Running zTool, please wait...
Card error error (1 Segmentation fault (core dumped))
Retry 2...
Initialization zTool... OK
Running zTool, please wait...
Card error
Operation: Unlock
Selected model: SM-G935T
Software version: 34.11

Checking Login and Password... OK
Ballance: 25 crd.
You have 25 credit(s) left. This operation takes 10 credits.Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SM-G935T
Android version: 8.0.0
PDA version: G935TUVS8CRL1
CSC version: G935TTMB8CRL1
Phone version: G935TUVS8CRL1
Product code: SM2G935TZSATMB
CSC country code: USA
CSC sales code: TMB
Phone SN: RF8HB08MRGK
IMEI: 357751075976149
HW version: REV0.7
RF cal date: 2016.11.03
Chip name: MSM8996
Modem board: MSM8996
Security patch: 2018-12-01
Boot Warranty bit: 0
SIM State: ABSENT
Waiting for device to become ready... OK
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... OK
Rebooting to upload... OK
Searching Ramdump interface... COM73 detected
Reading data from phone... OK
Calculating... OK
Searching server... OK
Waiting for server answer... OK
Waiting ADB device... OK
Waiting for device to become ready... OK
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... OK
Rebooting phone... OK
Unlock done