New Post: Creating Site Collection

I am getting error when creating my first site collection on sharepoint 2010 using autospinstaller version Version="3.87".

- Creating Site Collection "http://teamspace.intranet.group"...

• Script halted!
  Exception : System.ArgumentException: The URL 'http://teamspace.intranet.group' is in use as an alternate access URL or as the URL of a host header site. Please choose a different URL and try again.
  

This is how my webapplication is configured:

<WebApplication type="Portal"
                    name="EMP_TEAMSPACE"
                    applicationPool="Teamspace_AppPool"
                    applicationPoolAccount="EMP\ECRMTM01"
                    url="http://teamspace.intranet.group"
                    port="80"
                    UseHostHeader="false"
                    AddURLToLocalIntranetZone="true"
                    databaseName="TeamspaceContent_01"
                    useClaims="False"
                    useBasicAuthentication="false"
                    useOnlineWebPartCatalog="false">
        </Database>
        <ManagedPaths>
            <ManagedPath relativeUrl="help" explicit="true" />
        </ManagedPaths>

This is how mt site collection is configured:
<SiteCollection siteUrl="http://teamspace.intranet.group"

                            HostNamedSiteCollection="True"
                            Owner="EMP\FRM01"
                            Name="EMP_TEAMSPACE"
                            Description="EMP TEAMSPACE"
                            SearchUrl="http://teamspace.intranet.group/SearchCenter/Pages/default.aspx"
                            CustomTemplate="false"
                            Template="SPSPORTAL#0"
                            LCID="1033"
                            Locale="en-gb"
                            Time24="True">
            </SiteCollection>

In previous autospinstaller version l was able to give the same url for my web application and my site collection.

Any ideas