Question – unable to flash twrp recover

got the bootloader unlocked.
error when try to flash recovery:

┌──(kali㉿kali)-[~/Downloads]
└─$ sudo fastboot devices
7840d4b1 fastboot

┌──(kali㉿kali)-[~/Downloads]
└─$ sudo fastboot flash recovery twrp-3.7.1_12-0-lemonadep.img
Warning: skip copying recovery image avb footer (recovery partition size: 0, recovery image size: 201326592).
Sending ‘recovery’ (196608 KB) OKAY [ 4.551s]
Writing ‘recovery’ FAILED (remote: ‘(recovery_a) No such partition’)
fastboot: error: Command failed

any idea?