g960u tmb error on calculation

Checking Login and Password... OK
Ballance: 10 crd.
You have 10 credit(s) left. This operation takes 10 credits.Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SM-G960U
Android version: 8.0.0
PDA version: G960USQU3ARG7
CSC version: G960UOYN3ARG7
Phone version: G960USQU3ARG7
Product code: SM-G960UZKATMB
CSC country code: USA
CSC sales code: TMB
Phone SN: R28K33G4DNK
IMEI: 353309092513637
HW version: REV1.1
RF cal date: 2018.03.22
Chip name: SDM845
Modem board: SDM845
Security patch: 2018-07-01
Boot Warranty bit: 0
Searching Samsung diag port... not found
Waiting for device to become ready... OK
Initialization zTool... OK
Running zTool, please wait...
Start... OK
Initialization... OK
Generate and check client proof... OK
Verify proof by client... OK
Reading data from phone... OK
Rebooting to upload... OK
Searching Ramdump interface... COM464 detected
Reading data from phone... OK
Calculating... error (0)
Done with Samsung Tool PRO v.33.8