HELP ! Writing vbmeta_system.img [raw:4 KiB]->vbmeta_system... FAIL

[phonecare]

EDL FLASH Selected Model : Xiaomi Poco M3
Code Name : citrus
Operation : Auth Flash
Authenticating... OK
Retrieving data... OK [270.92 KiB]
Initializing data... OK
Waiting for HS-USB QDLoader 9008... COM18
Connecting to device... OK
Handshaking... OK
Reading bootloader info... OK
Serial : 3106732990 SoC : [Snapdragon 662] [SM6115] [0x0014D0E1]
OEM : Xiaomi [0x0072] Model : Unknown [0x0000]
PK_HASH[0] : 1BEBE3863A6781DB4B01086063007334
PK_HASH[1] : DE9E5CA14971C7C4F4358EC9D79CDA46
Writing flash programmer... OK
Connecting to flash programmer... OK
Configuring device... OK
Setting boot LUN1... FAIL
Firehose config : UFS [Sector:4096] [Target:0] [Host:1048576]

Processing LUN0 - rawprogram0.xml
Writing vbmeta_system.img [raw:4 KiB]->vbmeta_system... FAIL 1.007s
No ACK response from device!
UNLOCKTOOL 2023.01.13.1
Elapsed time : 20 seconds
poco m3 error while flashing. need help