Help SM-X216B KG locked

[enocleus]

Waiting for HS-USB QDLoader 9008... COM111
Selected Model : Samsung Tab A9+ (BIT-8)
Code Name : SM-X216B (BIT-8)
Operation : Auth Flash
Authenticating... OK
Retrieving server data... OK [267.65 KiB]
Initializing data... OK
Waiting for HS-USB QDLoader 9008... COM111
Connecting to device... OK
Writing flash programmer... OK
Connecting to flash programmer... OK
Configuring device... OK
Firehose config : UFS [Sector:4096] [Target:0] [Host:1048576]
Reading partition map... OK - LU Count : 6
Reading software info... OK [super]
Model Name : SM-X216B_EUR_XX_QKEY0
Manufacturer : SAMSUNG
Build ID : X216BXXS4CXJ9
Changing KG Stage... OK
Please restore stock firmware via ODIN Mode!
Rebooting... OK

failed to flash stock