g935p root error in z3x

Operation: Root
Selected model: SM-G935P
Software version: 32.7

Waiting ADB device... OK
Reading phone info...
Model: SM-G935P
Android version: 7.0
PDA version: G935PVPU6BRD2
CSC version: G935PSPT6BRD2
Phone version: G935PVPU6BRD2
Product code: Not Active
CSC country code: USA
CSC sales code: XAS
Phone SN: 00000000000
IMEI: 355911070460299
HW version: REV0.7
RF cal date: 2016.02.12
Chip name: MSM8996
Modem board: MSM8996
Security patch: 2018-03-01
Boot Warranty bit: 0
Checking Super user right... false
Rebooting to download... OK
Checking local file... not found
Searching server... OK
Downloading file... OK
Checking local file... OK
Searching USB Flash interface... COM5 detected
Setup connection... OK
Reading data from phone... OK
Sending data to phone... OK
Waiting ADB device... timeout
Phone not found

Done with Samsung Tool PRO v.32.7