Help! Cannot unlock X210MA ztool error

Please help. Phone rooted customer waiting.

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 COM121
Reading data from phone... OK
IMEI: 356233096751117
Checking root rights... OK
Writing zTool... OK
SW Version: X210MA10j
Initialization zTool... error(1 0)
Elapsed: 5 secs. --> (v9.60