Failed to repair imei on samsung j701f u6

Here are operation log,what can i do to solve this issue?

Chimera Mobile Phone Utility version: 20.24.1610 @ 2019-02-19
Printing phone history
Repair IMEI2/19/201910:06:07AM
Info2/19/201910:04:09AM
Repair IMEI2/19/20198:33:17AM
Repair started
Gathering phone info...
Collecting information. Be patient! Do NOT disconnect the phone!
Model: SM-J701F
Sales Code: THL
Country Code: THAILAND
Timezone: Africa/Dar_es_Salaam
Android Version: 8.1.0 [M1AJQ] [SDK 27]
Build Date: Thu Aug 23 18:47:46 KST 2018
PDA Version: J701FXXU6BRH9 [august 2018, rev9]
Phone Version: J701FXXU6BRH9 [august 2018, rev9]
CSC Version: G965FOXM1BRF7 [june 2018, rev7]
Product Code: THL
HIDSw Version: J701FXXU6BRH9/G965FOXM1BRF7/J701FXXU6BRH9/J701FXXU6BRH9
Board Platform: EXYNOS5
Modem Platform: SHANNON315
Serial Number: RZ8K62WFN0A
Imei: 357828091357569
Unique Number: CAJ003875EC9F25
Connections: AT,MTP
Battery Status: 3.75V (14%)
Network Type: GSM
SIM Status: ABSENT,ABSENT
Multisim Config: DSDS
Knox Version: v30
Warranty Bit: 0
Security Patch: 2018-06-01
Data Encryption State: unsupported
Repair imei...
Checking modem version.
Reading data. Be patient! Do NOT disconnect the phone!
Repair imei failed.
Finished at local time: [02.19.19 13:19:48]
WorkID: 52940071

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