lg h631 unlock error

Checking Login and Password... OK
Ballance: 10 crd.
You have 10 credit(s) left. This operation takes 10 credits.Continue? Yes
Searching modem interface... found COM2901
Reading data from phone... OK
IMEI: 358387060316261
Checking root rights... OK
Writing zTool... OK
SW Version: H63110b
Initialization zTool... error(10 0)
Elapsed: 16 secs. --> (v9.59)