5010x imei repair error

i tried to flash more 2 times and root install twrp but still get same error


--------- 2018-05-07 00:43:07 ---------
SigmaKey 2.27.18b1 ADB: Repair IMEI
* daemon not running. starting it now *
* daemon started successfully *
^ ROMaster Composite ADB Interface
Version: Linux version 3.18.19+ (memberamd@amdserver) (gcc version 4.8 (GCC) ) #1 SMP PREEMPT Thu May 4 19:10:37 UTC 2017
Baseband Processor: MT6580M
Hardware IMEI: 357651072046328
Reading security block....Skipped
Security area saved to "C:\Users\Delli5\Documents\SigmaKey\security backup\0243164345\357651072046328 (6).skb"
Repairing IMEI....File I/O operation failed