Security Damaged Error

Hello Z3X team,
I would really appreciate your help with this error that occurred while trying to restore the original imei of an S3, Korean version: e210l. Here is the log

Waiting ADB device… OK
Reading phone info…
Model: SHV-E210L
Android version: 4.4.4
Product code:
Phone version: E210LKLUKNI3
PDA version: E210LKLUKNI3
CSC version: E210LLGTKNI3
CSC country code: KOREA
CSC sales code: LGT
HW version: E210L.00
Phone S/N:
Modem board:
RF cal date:
IMEI: 00000000000000
Checking Super user right… true
Reading nv data… OK
Security damaged

Done with Samsung Tool PRO v.24.4

I am getting this error whenever I try to repair a damaged imei.