Z3X SamsungToolPRO 24.3 Calculating... error

How i fix Calculating... error

I am using Z3X SamsungToolPRO 24.3

Operation: Read CERT
Selected model: SM-G850F
Software version: 24.3

Waiting ADB device... OK
Reading phone info...
Model: SM-G850F
Android version: 5.0.2
Product code: Not Active
Phone version: G850FXXU1COI1
PDA version: G850FXXU2COI1
CSC version: G850FOJPCOI1
CSC country code: Mauritius
CSC sales code: MRU
HW version: REV__
Phone S/N:
Modem board: XMM7260
RF cal date: Unknown
IMEI:
Checking Super user right... true
Reading nv data... OK
Checking magic... OK
Running zTool, please wait... OK
Detected new type of security version 0
Calculating... error
Done with Samsung Tool PRO v.24.3