imei not repair on Sigma

——– 2016-02-03 13:47:10 ———
SigmaKey 2.15.00 ADB: Repair IMEI
Version: Linux version 3.4.5 (ericyan@ericyan1) (gcc version 4.6.x-google 20120106 (prerelease) (GCC) ) #1 SMP PREEMPT Tue Oct 29 13:44:58 CST 2013
Phone model: QMobile A750
Android 4.2.1; Firmware: JOP40D; Date: 2013年 10月 29日 星期二 13:47:52 CST
Version: ALPS.JB2.MP.V1.2
Baseband Firmware: MOLY.WR8.W1248.MD.WG.MP.V6.P18, 2013/07/12 13:45
Baseband Processor: MT6589
Reading software IMEI…..Please send
C:\Users\ASIF\Documents\SigmaKey\temporary backup\QMobile_A750_JOP40D_2013年 10月 29日 星期二 134752 CST (0).skb
file to

Sigma box can not repair imei see logo and give me how can we do ok?