what is solution to this error HTC A9

Starting flash process...
target rom version: 2.18.651.2
found large-zip header, file count: 22
processing file 1/22...
sending 'zip' (98806 KB)...
OKAY [ 7.989s]
writing 'zip'...
(bootloader) HOSD CL#635870
(bootloader) ERR check AES encrypted magic string failed.
(bootloader) end@Done
FAILED (remote: 12 RU_ZIP_ERROR )
finished. total time: 10.032s
Flash process completed.
Flash not successfull, reboot will not be done