[Zenfone 5] System update fails with status 0, fota return code 409

I flashed recovery and flastboot versions 2.21.20.44_ww successfully.
But when I send the package UL-ASUS_T00F-WW-5.3.3.3-user via adb sideload, I get errors.

E: Can't open /tmp/update-script.log

(After receiving package)

Finding update package...
Opening update package...
Verifying update package...
Installing update...
Device image SKU:
WW
OTA image SKU: WW
E:Error in /tmp/update.zip
(Status 0)
E: fota_return_code 409
Installation aborted.
E:Can't open /tmp/update-script.log
E:Can't open /tmp/update-script.log


Please help.