upgrade samba 4 alpha9 to samba 4 alpha 11-error

[hesam mohamadian]

am i run upgradeprovision script from source or first install samba4 alpha11
and then upgrade my old samba ? i install it and then i type this command :
/usr/local/new-samba/sbin# ./upgradeprovision --full -s
/usr/local/samba/etc/smb.conf

result :
module samba_dsdb initialization failed
Unable to load modules for /usr/local/new-samba/private/sam.ldb:
dsdb_module_search_dn: did not find base dn @ROOTDSE (0 results)
Traceback (most recent call last):
  File "./upgradeprovision", line 1566, in <module>
    ldbs = get_ldbs(paths, creds, session, lp)
  File
"/usr/local/new-samba/lib/python2.6/site-packages/samba/upgradehelpers.py",
line 161, in get_ldbs
    ldbs.sam = SamDB(paths.samdb, session_info=session, credentials=creds,
lp=lp, options=["modules:samba_dsdb"])
  File "/usr/local/new-samba/lib/python2.6/site-packages/samba/samdb.py",
line 52, in __init__
    options=options)
  File "/usr/local/new-samba/lib/python2.6/site-packages/samba/__init__.py",
line 109, in __init__
    self.connect(url, flags, options)
  File "/usr/local/new-samba/lib/python2.6/site-packages/samba/samdb.py",
line 64, in connect
    options=options)
_ldb.LdbError: (80, 'dsdb_module_search_dn: did not find base dn @ROOTDSE (0
results)')
any idea ?