Exception: Invalid pointer operation

Hi ,

Tried to read codes but , error in the END :confused:

Waiting ADB device... OK
Reading phone info...
Model: SM-G965U
Android version: 8.0.0
PDA version: G965USQS3ARIB
CSC version: G965UOYN3ARIB
Phone version: G965USQS3ARIB
Product code: SM-G965UZKAATT
CSC country code: USA
CSC sales code: ATT
Phone SN: xxxxxxxxxx
IMEI: xxxxxxxxxxxxxxxx
HW version: REV1.1
RF cal date: 2018.02.19
Chip name: SDM845
Modem board: SDM845
Security patch: 2018-10-01
Boot Warranty bit: 0
SIM State: ABSENT
Searching Samsung diag port... detected COM66
Reading phone info... OK
Reading data from phone... error (1), skip
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
Searching Ramdump interface... COM36 detected
Reading data from phone... OK
Calculating...
Exception: Invalid pointer operation :confused::confused:

Done with Samsung Tool PRO v.34.3