Reading sn error g950f

Hi guys,
need help unlocking g950f reading sn error (1)

Searching Samsung modem... detected COM9
Reading phone info...
Model: SM-G950F
AP version: G950FXXU2CRF7
CSC version: G950FOXM2CRF7
CP version: G950FXXU2CRF1
Product code: XEU
Phone SN: RF8J5xxxxx
IMEI: 359037xxxxx
Unique number: CE0417141C906F2905
Reading IMEI... OK
IMEI: 359037xxxxx
Reading SN... error (1)

Done with Samsung Tool PRO v.33.2