[SOGo] Internal Server Error on Ubuntu 7.04

[Di Appoggio]

Finally I've been able to compile & install sope&sogo (last svn
revsion); I've been able to configure ldap authentication and now i
can log in.

Default view is calendar mode but now every time i try to add an event
or access the addressbook i get an " Internal Server Error" but sogod
report no error on console....

Here is my .GNUstepDefaults file:

--------
{
    NSGlobalDomain = {
    };
    "sogod-0.9" = {
        AgenorProfileURL =
"postgresql://sogo:sogo@localhost:5432/sogo/sogo_user_profile";
        OCSFolderInfoURL =
"postgresql://sogo:sogo@localhost:5432/sogo/sogo_folder_info";
        SOGoAuthentificationMethod = LDAP;
        SOGoDefaultMailDomain = example.com;
        SOGoDraftsFolderName = .Drafts;

        SOGoFallbackIMAP4Server = imap.intranet.it;
        SOGoLDAPSources = (
            {
                CNFieldName = cn;
                IDFieldName = uid;
                UIDFieldName = uid;
                baseDN = "ou=People,ou=example.com,c=IT";
                bindDN = "uid=Manager,ou=Intranet,c=IT";
                bindFields = uid;
                bindPassword = Manager;
                canAuthenticate = YES;
                displayName = "General AddressBook";
                hostname = ldap.intranet.it;
                id = public;
                isAddressBook = YES;
                port = 389;
            }
        );
        SOGoSentFolderName = .Sent;
        SOGoServerTimeZone = Europe/Rome;
        SOGoSuperUsername = admin;
        SOGoTrashFolderName = .Trash;
        SOGoUIxDebugEnabled = YES;
        WOMessageUseUTF8 = YES;
        WOParsersUseUTF8 = YES;
        WOPort = 20000;
    };
}

--------

Another question:
a) how can I set another language?
b) how can i change deefault module=