How can I install another rom on my Samsung Galaxy S4?

[AC Question]

Can't Install another rom on Samsung galaxy s4.. Please help

Warning: No file_contextsdetected filesystem ext4 for /dev/block/mmcblkop20
...........................
Installation aborted.

 

[itguyjax8430]

Re: Can't Install another rom on Samsung galaxy s4.. Please help

Warning: No file_contextsdetected filesystem ext4 for /dev/block/mmcblkop20
...........................
Installation aborted.

What ROM are you trying to install on your S4? AOSP?