TWRP recovery flashing J500FN.

I have fillowes this guide http://www.teamandroid.com/2015/11/2...op-firmware/2/

step by step usb debugg and oem is enable.

<ID:0/006> Initialzation..
<ID:0/006> Get PIT for mapping..
<ID:0/006> Firmware update start..
<ID:0/006> SingleDownload.
<ID:0/006> recovery.img
<ID:0/006> Complete(Write) operation failed.
<OSM> All threads completed. (succeed 0 / failed 1)

Tried so man times now bricked it twice with diffrent guides.

Wgat is it that I'm doing wrong is it knox?