fail unlock g960u TMB latest patch

Chimera Mobile Phone Utility version: 21.50.1151 @ 2019-06-25
Unlock phone started
Gathering phone info...
Collecting information. Be patient! Do NOT disconnect the phone!
Model: SM-G960U
Sales Code: TMB
Country Code: USA
Timezone: America
Android Version: 9 [PPR1.180610.011] [SDK 28]
Build Date: Tue May 28 11:49:43 KST 2019
PDA Version: G960USQS5CSEA [may 2019, revA]
Phone Version: G960USQS5CSEA [may 2019, revA]
CSC Version: G960UOYN5CSEA [may 2019, revA]
Board Platform: SDM845
Modem Platform: SDM845
Serial Number: R28K303
Imei: 3533090
Battery Status: 4.12V (76%)
Network Type: GSM
SIM Status: ABSENT
Multisim Config: SS
Knox Version: v30
Warranty Bit: 0
Security Patch: 2019-06-01
Data Encryption State: encrypted
Preparing...
Restarting phone.
Waiting for ADB connection. Be patient! Do NOT disconnect the phone!
Restarting phone.
Waiting for ADB connection. Be patient! Do NOT disconnect the phone!
The phone will restart in upload mode, this is normal operation, do not worry!
Switching to upload mode. Be patient! Do NOT disconnect the phone!
Waiting for upload interface...
Waiting for upload interface. Be patient! Do NOT disconnect the phone!
Upload interface: SAMSUNG Mobile USB Modem (COM23)
Reading data...
Reading data is in progress. Be patient! Do NOT disconnect the phone!
Unable to unlock.
Finished at local time: [06.25.19 11:00:41]
WorkID: 63952251