Honor 7 PLK-L01 (unlocked) FAILED flash recovery TWRP

HELP PLEASE.
I tried to make ROOT the Phone.
(Honor 7 PLK-L01) unlock with 4 Euro.
Is this ROM (PLK-L01C432B180)

In Bootloader
==
I:\Honor 7 PLK-L01>fastboot oem get-bootinfo

(bootloader) unlocked
OKAY [ 0.005s]
finished. total time: 0.005s

==
I:\Honor 7 PLK-L01>fastboot flash recovery TWRP_Honor7_EN.img
target reported max download size of 471859200 bytes
sending ‘recovery’ (26528 KB)…
OKAY [ 0.775s]
writing ‘recovery’…
FAILED (remote: Command not allowed)
finished. total time: 0.780s
==
I tried to HONOR Multi Tool
I have the same problem.

Can someone help me to solve the problem ; ;

THANKS . .