Help me roms developers to falcon

Good evening, I'm entering the branch of wanting to develop a custom ROM based on AOSP, estrou learning little by little, but wanted to know what is this error

pastebin.com/j0qAJyd0

My system is
13.04-03 gnome ubuntu

I installed
Java 7
python
Java Jdk
git
Libson
phablet tools

if something is missing let me know
if they can send a list of things you have to install
tell me
I thank those who help me
:)