remove mi account redmi 7a

Hello.
I have problem with unlock Mi Account on Redmi 7A. This is the log:
Device : Xiaomi Redmi Note 7A
Operation : Reset Mi Account
Checking for existing devices...Not Found
Turn Off phone, hold Vol UP + Vol DOWN and insert USB cable.
Some phones may need Special Boot Cable or TestPoint for EDL mode.
Found Port : Qualcomm HS-USB QDLoader 9008 (COM10)
Driver Info : Qualcomm Incorporated, qcusbser.sys, 2.1.0.5
Connecting to phone...OK
Waiting for response...OK
Init Handshake Sequence...OK
Hardware ID : E1F00B00 [8937] 00007200
OPK_DATA : 079E496E26A477B120DFCD85DF7E4AD067164D8292DDD37993 0D5891E3D8240B
Initializing Protocol...OK
Using Auto Loader Selection [1]
Preparing Loader...Done
Sending Loader [8937_035]...Done
Executing Loader...OK
Auth Enabled Device! You need Mi Auth Account to service!
Reading Auth Blob...OK
Blob : NDE1MTQxNDE0MTRDNjM0MjQxNDE0MjYxNjc0RTc0MkQ2OTRCMz E1NTQ0NjM3NzM1NDc0ODQzNzg0MjQzMzczNjY3MzMzNzMwNDY3 Nz==
Requesting UMT Server for Auth Data...Auth Denied!
Please make sure Find Device is OFF
Detecting Chip Type...OK
VIP Enabled / Auth Enabled Device!
Error Log : PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiID 8+PGRhdGE+PGxvZyB2YWx1ZT0iRVJST1I6IE9ubHkgbm9wIGFu ZCBzaWcgdGFnIGNhbiBiZSByZWNldmllZCBiZWZvcmUgYXV0aG VudGljYXRpb24uIiAvPjwvZGF0YT48P3htbCB2ZXJzaW9uPSIx LjAiIGVuY29kaW5nPSJVVEYtOCIgPz48ZGF0YT48cmVzcG9uc2 UgdmFsdWU9Ik5BSyIgLz48L2RhdGE+
Please use correct loader and check USB port / cable.
Operation Finished.
QcFire Ver. 5.5
Checking for Available Credits....OK
Available Credits : 10

Where is a problem