mt7 cant repair imxxxxxxxxx


016-02-12 22:17:53.154 Autodetect started!
2016-02-12 22:17:55.812 Found COM port: COM28
Fixed IMEI 2 CRC: 347786769897709
2016-02-12 22:17:55.837 Open port COM28 (Android Adapter PCUI (COM28))…
2016-02-12 22:17:55.985 Connecting to server…
2016-02-12 22:17:58.384 Connected!
2016-02-12 22:17:58.399 Read data from server…
2016-02-12 22:17:59.760 Read data from server success!
2016-02-12 22:17:59.770 Repairing start
New IMEI 1 : 353786987877609
New IMEI 2 : 347786769897709
2016-02-12 22:17:59.864 Phone authorize start
2016-02-12 22:17:59.881 Phone authorize success!
2016-02-12 22:18:00.564 Read basic info…
2016-02-12 22:18:04.252 Read secure info…
2016-02-12 22:18:04.267 Repair IMEI 1 start!
2016-02-12 22:18:04.283 Phone secure identify start
2016-02-12 22:18:04.984 Phone secure identify fail!
2016-02-12 22:18:04.999 Repair IMEI 1 fail!
AT command error
2016-02-12 22:18:05.043 Repair IMEI 2 start!
2016-02-12 22:18:05.055 Phone secure identify start
2016-02-12 22:18:07.677 Phone secure identify fail!
2016-02-12 22:18:07.687 Repair IMEI 2 fail!
AT command error
2016-02-12 22:18:07.749 Finished!

whats the problem any help