Htc opm92 unlock failed with umt

Port : ADB Interface
Baud Rate : Not Applicable
Device : HTC
Operation : Sprint Unlock
Searching for Device... Found
Model : 0PM92
Version : 6.0.1
Hardware : htc_a32e
Baseband : 1.11.C51211@60303
SIM Card : ABSENT
CPU : armeabi-v7a
Type : Unknown
MEID(1) : Null/Empty
Executing HTC Sprint Unlock... Done
SPC/MSL : Fail
Please Reboot Phone.
Operation Finished.
Elapsed Time: 00:25
[Module Ver. 5.0]
Log Saved to Logs\180628_130601.log