failed to identify current slot

Cant get to isntall eOS on my Oneplus 6 fastboot_ error_ failed to identify current slot failed with error code 2 You can use the below tables to identify the devcmd and error strings found in the logs devcmd #, devcmd string 1 fastboot get active slot What seems to be happening is the boot file is corrupt, so it can't even determine if the bootloader is locked or not

fastboot set active slot Identify the latest BIOS file and click Download File 11 Select your Temporary battery failure with AC adapter present Re-plug battery connector