j700f security error on every job :(

i have a j700f that imei is currupted but when itry to write cerificate it geves me security error and with unlock uption give this error too.plz chek this

Operation: Write CERT
Selected model: SM-J700F
Software version: 24.4

Checking certificate file… OK
KEY ID: 0949
Waiting ADB device… OK
Reading phone info…
Model: SM-J700F
Android version: 5.1.1
Product code:
Phone version: J700FXXU1AOL2
PDA version: J700FXXU1AOL1
CSC version: J700FOLB1AOL1
CSC country code: MALAYSIA
CSC sales code: XME
HW version:
Phone S/N:
Modem board: SHANNON310
RF cal date:
Checking Super user right… true
Reading nv data… OK
Security damaged

Done with Samsung Tool PRO v.24.4