Hello, post full screenshot and full log, greetings.
BR
FLASH Selected Model : Oppo Reno5 Pro 5G
Code Name : CPH2201
Operation : Auth Flash
Authenticating... OK
Retrieving data... OK [672.55 KiB]
Initializing data... OK
Waiting for device... COM3
Connection : USB 1.0 High-Speed
USB Driver : [MediaTek Inc.] wdm_usb - Version : 3.0.1504.0
Boot Mode : BOOTROM [0E8D:0003]
Bypassing authentication... OK
Connecting to BROM... OK
Sending DA... OK [322.85 KiB]
Syncing with DA... OK
HW Chip : MT6885 [6885] - HW Ver : 0xCB00 - SW Ver : 0x0001
Bootloader Ver : 0x00 - Secure Ver : 0x00
Internal RAM Size : 448 KiB
External RAM Size : 4 GiB
Storage : UFS - FWVer : 0900 - CID : KLUEG8UHDB-C2D1
Vendor ID : Samsung [0x1CE]
UFS LU0 Size : 4 MiB - LU1 Size : 4 MiB - LU2 Size : 238.34 GiB
Formatting ALL... OK
Writing recovery... OK [64 MiB] 1.596s
Writing vbmeta... OK [4 KiB] 0.002s
Writing vbmeta_system... OK [4 KiB] 0.002s
Writing vbmeta_vendor... OK [4 KiB] 0.002s
Writing cdt_engineering... OK [1 MiB] 0.026s
Writing md1img... OK [65.21 MiB] 1.631s
md1img : STATUS_SEC_IMG_VFY_FAIL [0xC0020007]
UNLOCKTOOL 2021.11.29.0
Elapsed time : 51 seconds