Sm-g615fu repair imei faild need help

REPAIR INSTRUCTIONS:
1. Power on the phone.
2. Enable 'USB debugging' in 'Settings'-'Developer options',
tap 7 times on 'Build number' in 'Settings'-'About phone' to enable 'Developer options'.
3. Connect the phone to PC with USB cable, install drivers if needed.
4. Select device in ADB settings.
5. Press 'Reboot to...' button and select mode to reboot (download or recovery).

Operation: Repair
Selected model: SM-G615FU
Software version: 35.3

If you are looking for 'Repair Network' function then you should use 'Patch Certificate'

Waiting ADB device... OK
Reading phone info...
Model: SM-G615FU
Android version: 8.1.0
PDA version: G615FUDDU2BSC1
CSC version: G615FUODDU2BSC1
Phone version: G615FUDDU2BSC1
Product code: SM-G615FZDUINS
CSC country code: India
CSC sales code: INS
Phone SN: RZ8K729LGYP
IMEI: 359106082540057
HW version: MP 0.200
RF cal date: 20180725
Chip name: MT6757
Modem board: MT6757
Security patch: 2019-03-01
Boot Warranty bit: 0
SIM State: ABSENT,ABSENT
Searching server... error
Update software!

Done with Samsung Tool PRO v.35.3