Thank You both of you.
It turned out that my local_manifest was corrupt probably because of a copy/paste from the web. I recreate it from scratch and everything synced without error.
But now when trying breakfast i get
You're building on Linux
Lunch menu... pick a combo:
Which would you like? [aosp_arm-eng]
you device can't be found in device sources..
Traceback (most recent call last):
File "build/tools/roomservice.py", line 297, in <module>
File "build/tools/roomservice.py", line 250, in fetch_dependencies
raise Exception("ERROR: could not find your device "
Exception: ERROR: could not find your device folder location, bailing out
I assume my knowledge is very limited and up until now I've only been able to build CM11 for officially supported devices.