N950U Read Codes via Server > Calculating... error (3)

N950U Read Codes via Server
Calculating... error (3)

Code:

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Waiting ADB device... OK
Reading phone info...
Model: SM-N950U
Android version: 9
PDA version: N950USQU6DSH3
CSC version: N950UOYN6DSH3
Phone version: N950USQU6ASG1
Product code: SM-N950UZKAATT
CSC country code: USA
CSC sales code: ATT
Phone SN: R38xxx
IMEI: 358xxx
HW version: REV1.0
RF cal date: 2017.10.31
Chip name: MSM8998
Modem board: MSM8998
Security patch: 2019-08-01
Boot Warranty bit: 0
SIM State: ABSENT
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... OK
Searching Samsung diag port... detected COM43
Reading phone info... OK
Reading data from phone... OK
Searching Ramdump interface... COM10 detected
Reading data from phone... OK
Calculating... error (3)

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