G532f read codes failed please help me

Operation: Read Codes
Selected model: SM-G532F
Software version: 30.8

Checking hash file... OK
Waiting ADB device...
Please, allow USB debugging on phone... OK
Reading phone info...
Model: SM-G532F
Android version: 6.0.1
Product code: SM-G532FZIDMID
Phone version: G532FXXU1AQG5
PDA version: G532FXWU1AQG5
CSC version: G532FOJV1AQG5
CSC country code: Iraq
CSC sales code: MID
HW version: MP 0.300
Phone SN: RV8JA0GZWHJ
Chip name: MT6737T
Modem board: MT6737T
Security patch: 2017-07-01
RF cal date: 20171016
IMEI: 3535590--------
Rebooting phone... OK
Waiting ADB device... 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... COM5 detected
Reading data from phone... error (3)
Done with Samsung Tool PRO v.30.8