issue setting up environment with ARAGO for omap35

hello everybody

please  I  followed step by step instructions on setting up builing environment as on http://arago-project.org/wiki/index.php/Setting_Up_Build_Environment

I change the PATH to reach codesourcery and thiis is ok ,  but if I try to build minimal image here is what I get :

gcc version 4.3.3 (Sourcery G++ Lite 2009q1-203)

administrator@ubuntu:~/oe$ bitbake arago-base-image

Traceback (most recent call last):

  File "/home/administrator/oe/arago-bitbake/bin/bitbake", line 143, in <module>

    main()

  File "/home/administrator/oe/arago-bitbake/bin/bitbake", line 123, in main

    cooker.parseConfiguration()

  File "/home/administrator/oe/arago-bitbake/lib/bb/cooker.py", line 68, in parseConfiguration

    self.parseConfigurationFile( os.path.join( "conf", "bitbake.conf" ) )

  File "/home/administrator/oe/arago-bitbake/lib/bb/cooker.py", line 402, in parseConfigurationFile

    bb.fetch.fetcher_init(self.configuration.data)

  File "/home/administrator/oe/arago-bitbake/lib/bb/fetch/__init__.py", line 93, in fetcher_init

    pd = persist_data.PersistData(d)

  File "/home/administrator/oe/arago-bitbake/lib/bb/persist_data.py", line 52, in __init__

    bb.mkdirhier(self.cachedir)

  File "/home/administrator/oe/arago-bitbake/lib/bb/__init__.py", line 138, in mkdirhier

    if e.errno != 17: raise e

OSError: [Errno 13] Permission denied: '/sim'

administrator@ubuntu:~/oe$

please  what is wrong ?

any  tutorial on ARAGO installation ?

thank you

bye

Carlo