x210 at&t unlock failed

Mode: Normal
Model: LMX210AP
Build version: Apr 4 201910:58:45Sep 10 201809:00:00LMX210AP
SW Version: MPSS.JO.3.0.c12-00015-8937_GENNS_PACK-1
IMEI: 35543710185576-0
IMEI2: 00000000000000-0
BlueTooth Address: 00:00:01:02:26:00
Phone Code:
Elapsed: 1 secs. --> (v9.62)

Checking Login and Password... OK
Ballance: 10 crd.
You have 10 credit(s) left. This operation takes 5 credits.Continue? Yes
Check adb server status... OK
Search LG Modem port...
Detected LG Modem port at COM206
Read data from phone...
Check adb server status... OK
Checking adb...
SW Version: X210APM20e
Searching server...
Waiting for server answer... error(1)
Bad response from server
Elapsed: 13 secs. --> (v9.62)