SAMSUNG GT-I9505 IMEI null Z3x problem

Hi all,
i have a GT-I9505 with imei null damaged by friend and i'm trying to fix it by Z3X Box and i get errors at 2 versions please help

Selected model: I9505
Selected port: COM50 Z3X BOX Serial Port
Selected port speed: 115200
Searching ADB device...
Please, allow USB debugging on phone...
Please, allow USB debugging on phone... OK
Reading phone info...
Model: GT-I9505
Android version: 5.0.1
Product code: Unknown
Phone version: Unknown
PDA version: I9505XXUHPK2
CSC version: I9505YXYHPL1
IMEI: Unknown
Phone S/N: 00000000000
Checking Super user right... true
Backuping MMCBLK... OK
Writing data to phone... OK
Rebooting phone... OK
Waiting phone... OK
Bypass MSL... error
Done with Samsung Tool v.18.0

Operation: Repair
Selected model: GT-I9505
Software version: 31.5.1

Waiting ADB device... OK
Reading phone info...
Model: GT-I9505
Android version: 5.0.1
PDA version: I9505XXUHPK2
CSC version: I9505YXYHPL1
Phone version:
Product code:
CSC country code: Switzerland
CSC sales code: AUT
Phone SN: 00000000000
IMEI:
HW version:
RF cal date:
Chip name: APQ8064
Modem board:
Security patch: 2016-11-01
Boot Warranty bit: 1
Writing AT RIL... OK
Initialization AT RIL... root required
Checking Super user right... true
Initialization AT RIL... error (5)

Done with Samsung Tool PRO v.31.5.1