j320fn unlock error

read codes
Searching Samsung modem… detected COM293
Reading phone info… OK
Model: SM-J320FN
Version: J320FNXXU0APC6/J320FN3IE0APC2/J320FNXXU0APC3/J320FNXXU0APC6
Product code: SM-J320FZKN3IE
Phone S/N: R58H417VDxx
Imei: 35946407073xxxx
Unique number: CQN00308D96FE33
Reading codes… OK
Please wait, calculating codes… OK (time – 00:00:25)
Freeze code: 12345678
NET lock: 11111111
Sub lock: 11111111
SP lock: 11111111
CP lock: 11111111
SIM lock: 00000000
For check lock status: *#7465625#

unlock

Searching Samsung modem… detected COM293
Reading phone info… OK
Model: SM-J320FN
Version: J320FNXXU0APC6/J320FN3IE0APC2/J320FNXXU0APC3/J320FNXXU0APC6
Product code: SM-J320FZKN3IE
Phone S/N: R58H417Vxxx
Imei: 35946407073xxxx
Unique number: CQN00308D96FE33
Unlocking… error (2)

any idea ?