[Q] LG G2 twrp failed topic

i get below message when i tried to install the stock ROM on LG G2 att version.
D800
anybody has any idea??
what should i do..
i checked so many treads but i didn't get exact answer.

updating partition details ...
Sull SELinux support is present.
installing '/sdcard/D801210B_00.zip' ...
checking for MD5 file ...
Skipping MD5 check: no MD5 file found.
Errror flashing zip '/sdcard /D801210B_00.zip'
updating partition details ...
installing '/sdcard/D801210B_00.zip' ...
checking for MD5 file ...
Skipping MD5 check: no MD5 file found.
Errror flashing zip '/sdcard /D801210B_00.zip'
updating partition details ...

then i got failed from red color..
actually i tried to put D802 on D800..
answers.yahoo.com/question/index?qid=20140515081000AAgBTtA
use https when use URL
please help.. :(:(