Unlock g920f error

HI
tryin to unlock g920F

Operation: Unlock
Selected model: SM-G920F
Software version: 27.0

Searching Samsung modem… detected COM30
Reading phone info… OK
Model: SM-G920F
AP version: G920FXXS4DPIU
CSC version: G920FFTM3DPF1
CP version: G920FXXU4DPIE
Product code: SM-G920FZDAFTM
Phone SN: RF8G82C0KET
Unique number: 06157DF6DB129815
Reading IMEI… OK
IMEI: 353609076008201 (SIGN: OK)
Reading data from phone… error (0)

Done with Samsung Tool PRO v.27.0

not done with error 0
anyone can help plz