Failed to write cert on samsung s6 edge g9250

Hey chimera team,
Try to write new cert on g9250 but always comes with error.
Operation log

Chimera Mobile Phone Utility version: 20.28.1515 @ 2019-02-21
Printing phone history
Write Cert2/21/20198:42:15
Write certificate started
Unable to detect IMEI number.
Gathering phone info...
Collecting information. Be patient! Do NOT disconnect the phone!
Model: SM-G9250
Sales Code: TGY
Country Code: Hong Kong
Timezone: Africa/Dar_es_Salaam
Android Version: 7.0 [NRD90M] [SDK 24]
Build Date: Mon Feb 26 17:46:30 KST 2018
PDA Version: G9250ZTU2ERB1 [february 2018, rev1]
Phone Version: G9250ZTU2ERB1 [february 2018, rev1]
CSC Version: G9250ZZH2ERB1 [february 2018, rev1]
Board Platform: EXYNOS5
Modem Platform: MDM9635M
Serial Number: RF1D45EJGGR
Battery Status: 4.34V (100%)
Network Type: CDMA
SIM Status: ABSENT
Knox Version: v30
Warranty Bit: 1
Security Patch: 2018-02-01
Data Encryption State: unsupported
Resetting MSL...
Trying on SAMSUNG Mobile USB Serial Port (COM69)
Password rejected.
Unable to write certificate.
Finished at local time: [02.21.19 11:45:52]
WorkID: 53112946

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