Lg H962 after flash dead boot

Lg H962 after flash dead boot
Checking data...OK
Platform: LG Qualcomm
Selected port: COM871
Selected model: H962
Reading info...
Model ID: LG-H962
IMEI: 355213-07-013755-9
Android version: 6.0
Battery level: 5%
Mode: Emergency
Initializing flash...OK
SW version: LGH962AT-00-V20a-TWN-XX-APR-06-2016+0
LAF Version: 1.1
Product ID: YE02S151215006520
IMEI: 355213-07-013755-9
Target operator: GLOBAL
Hardware: rev_10
Opening "H96210b_00.oct"...OK
Setting options...OK
Reading partitions...OK
Formating USERDATA...Failed!
Writing PrimaryGPT...OK
Writing modem...OK
Writing pmic...OK
Writing sbl1...OK
Writing tz...OK
Writing sdi...OK
Writing hyp...OK
Writing rpm...OK
Writing aboot...OK
Writing sbl1bak...OK
Writing pmicbak...OK
Writing hypbak...OK
Writing tzbak...OK
Writing rpmbak...OK
Writing abootbak...OK
Writing sdibak...OK
Writing persist...OK
Writing sec...OK
Writing laf...OK
Writing boot...OK
Writing recovery...OK
Writing raw_resources...OK
Writing raw_resourcesbak...OK
Writing factory...OK
Writing system...OKOKOKOKOKOKOKOKOKOKOKOKOKOKOKOKOKOKOKOKO KOKOKOKOKOKOKOKOKOKOKOKOKOKOKOKOK
Writing cust...OKOK
Writing BackupGPT...Failed!
Performed by 2.2.9 software version.



plz solution