J337a failed to read codes

Do you have any idea about this problem?

Ballance: 50 crd.
You have 50 credit(s) left. This operation takes 10 credits.Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SM-J337A
Android version: 8.0.0
PDA version: J337AUCU1ARDJ
CSC version: J337AATT1ARDJ
Phone version: J337AUCU1ARDJ
Product code: SM2J337AZKCATT
CSC country code: USA
CSC sales code: ATT
Phone SN: R28K60P1XJZ
IMEI: 356338090847512
HW version: REV0.7
RF cal date: 20180608
Chip name: EXYNOS7570
Modem board: SHANNON305
Security patch: 2018-04-01
Boot Warranty bit: 0
Searching server... OK
Checking server answer... OK
Initialization zTool... OK
Running zTool, please wait...
Start... OK
Initialization... OK
Generate and check client proof... OK
Verify proof by client... OK
Executing... OK
Reading data from phone... OK
Calculating... OK
Searching server... OK
Waiting for server answer... error (1)

Done with Samsung Tool PRO v.33.5