G930f cant unlock

here is the log

Code:

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Platform: Samsung Android
Selected port: COM7
Selected model: SM-G930F
Operation: Unlock
Detected phone model: SM-G930F
Firmware compiled date: Thu Mar 12 19:39:36 KST 2020
PDA version: G930FXXS8ETCN
CSC version: G930FCHL8ETCA
SW version: G930FXXS8ETC1
Build number: QB15349554
Phone SN: R58HB02J76N
Android version: 8.0.0 (R16NW)
Sales code: CHL
Country: Chile
HW platform: exynos5
HW Chip: exynos8890
HW Modem: SHANNON335
Security patch level: 2020-03-01
Warranty Void: 1
SIM 1 status: network locked
Codename: heroltexx
Checking Root:
Phone is Rooted.
Reading security backup, please wait...
Backup saved as C:\Program Files (x86)\Octoplus\Octoplus_Samsung\BACKUP\Security-SM-G930F-R58HB02J76N-25-09-2020_12-57-30-.asec file
Connecting to modem port...
Modem port was not found!
Initializing exploit...
Executing exploit...
Executing exploit failed
Phone unlocking failed
Performed by 2.9.9.4 Software version.
-----------------------------------------------------------------------------------
Platform: Samsung Android
Selected port: COM7
Selected model: SM-G930F
Operation: Unlock
Detected phone model: SM-G930F
Firmware compiled date: Thu Mar 12 19:39:36 KST 2020
PDA version: G930FXXS8ETCN
CSC version: G930FCHL8ETCA
SW version: G930FXXS8ETC1
Build number: QB15349554
Phone SN: R58HB02J76N
Android version: 8.0.0 (R16NW)
Sales code: CHL
Country: Chile
HW platform: exynos5
HW Chip: exynos8890
HW Modem: SHANNON335
Security patch level: 2020-03-01
Warranty Void: 1
SIM 1 status: network locked
Codename: heroltexx
Checking Root:
Phone is Rooted.
Reading security backup, please wait...
Backup saved as C:\Program Files (x86)\Octoplus\Octoplus_Samsung\BACKUP\Security-SM-G930F-R58HB02J76N-25-09-2020_13-00-18-.asec file
Connecting to modem port...
Found phone on COM6
Reading data from phone...
Could not read data from modem port, trying with exploit..
Initializing exploit...
Executing exploit...
Executing exploit failed
Phone unlocking failed
Performed by 2.9.9.4 Software version.

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I cant find a combination bit 8, and cant downgrade the modem

what can i do?