Infinix Note 5 9.0 repair problem

SigmaKey 2.33.01 MTK: Repair IMEI (Infinix Note 5)
Baseband Processor:MT6763, HW Rev. A.01, SW Rev. 0.01
Testing external RAM...DRAM, 3 Gb
Detecting flash...eMMC, Flash size: 29.13 Gb
Software IMEI1: 35578409337xxxx
Software IMEI2: 3557840933xxxxx
This operation may brick the phone! Are you sure you want to proceed? [YES]
Repairing IMEI...Method #16973824
Please send
C:\Users\pc\Documents\SigmaKey\temporary backup\0252855845\35578409337xzxxx_Infinix Note 5.skb
file to support@sigmakey.com
Repairing IMEI....Error C0050008:EF7F

file send support