samsung s8 sprint unlcok error...help plzz

i m trying to unlock samsung g950u binary 4 and getting error i clicked on unlock wipe...this is the log
Chimera Mobile Phone Utility version: 17.98.1358 @ 2018-07-10

Printing phone history

Unlock Wipe
10-07-2018
15:38:04



[Unlock phone started]

Gathering phone info...
Collecting information. Be patient! Do NOT disconnect the phone!
Model: SM-G950U
Sales Code: SPR
Country Code: USA
Timezone: Europe/Lisbon
Android Version: 8.0.0 [R16NW] [SDK 26]
Build Date: Fri May 25 13:30:26 KST 2018
PDA Version: G950USQU4CRE9 [may 2018, rev9]
Phone Version: G950USQU4CRE1 [may 2018, rev1]
CSC Version: G950UOYN4CRE9 [may 2018, rev9]
Product Code: SPR
HIDSw Version: G950USQU4CRE9/G950UOYN4CRE9/G950USQU4CRE1/G950USQU4CRE9
Board Platform: MSM8998
Modem Platform: MSM8998
Serial Number: R28J43T0NHW
Imei: 357721081613630
Unique Number: 988838424E3235334D
Connections: AT,MTP
Battery Status: 4.00V (63%)
Network Type: CDMA
SIM Status: CARD_IO_ERROR
Multisim Config: SS
Knox Version: v30
Warranty Bit: 0
Security Patch: 2018-06-01
Data Encryption State: encrypted
Could not root and/or install combination firmware.
Root the phone manually or install a combination firmware.
Unable to unlock.
Finished at local time: [07.10.18 16:43:14]
WorkID: 40569368