j727s knoxguard failed

Chimera Mobile Phone Utility version: 25.98.1344 @ 2020-09-14
Printing phone history

Rmm Remove
2020-mm-14
7:36
AM

Root/Unroot
2020-mm-13
4:35
PM

Patch Certificate
2020-mm-13
4:32
PM

Rmm Remove
2020-mm-13
3:56
PM

Knoxguard Remove
2020-mm-13
3:53
PM

Knox Guard Unlock started
Gathering phone info...
Collecting information. Be patient! Do NOT disconnect the phone!
Model: SM-J727S
Sales Code: SKC
Country Code: KOREA
Timezone: Asia/Karachi
Android Version: 9 [PPR1.180610.011] [SDK 28]
Build Date: Mon Nov 4 11:07:33 KST 2019
PDA Version: J727SKSU4CSK1 [november 2019, rev1]
Phone Version: J727SKSU4CSJ2 [october 2019, rev2]
CSC Version: J727SSKC4CSK1 [november 2019, rev1]
Board Platform: EXYNOS5
Modem Platform: SHANNON315
Serial Number: R59J504P9R
Imei: 3597XXXXXXXXXXXX
Battery Status: 3.73V (21%)
Network Type: GSM
SIM Status: LOADED
Multisim Config: SS
Knox Version: v30
Warranty Bit: 1
Security Patch: 2019-11-01
Removing KnoxGuard...
The operation is in progress. Be patient! Do NOT disconnect the phone!
It seems, this unlock method is not supported by the phone.
Unlock failed.
Finished at local time: [09.14.20 12:39:18]
WorkID: 107324514



plz solution