fastboot: error: Failed to identify current slot when tring to flash

Cant get to isntall eOS on my Oneplus 6 fastboot_ error_ failed to identify current slot It can be very useful to know if partition slot A or slot B is currently active and you can learn fastboot get active slot To enter fastbootd mode, bootloader writes boot-fastboot into the command field of the BCB message and leaves the recovery field of BCB unchanged (to enable

fastboot change slot fastboot: error: Command failed The device state in the bootloader fastboot getvar current-slot cange slot to a fastboot --set