version 655 - help please

[SQLException: The database 'C:\PROGRAM FILES (X86)\TELERIK\SITEFINITY 4.0\SAMPLES\CS\SITEFINITYWEBAPP\APP_DATA\SITEFINITY.MDF' cannot be opened because it is version 655. This server supports version 612 and earlier. A downgrade path is not supported.
Could not open new database 'C:\PROGRAM FILES (X86)\TELERIK\SITEFINITY 4.0\SAMPLES\CS\SITEFINITYWEBAPP\APP_DATA\SITEFINITY.MDF'. CREATE DATABASE is aborted.
An attempt to attach an auto-named database for file C:\Program Files (x86)\Telerik\Sitefinity 4.0\Samples\CS\SitefinityWebApp\App_Data\Sitefinity.mdf failed. A database with the same name exists, or specified file cannot be opened, or it is located on UNC share.]
   Telerik.OpenAccess.RT.Adonet2Generic.Impl.DBDriver.connect(ConnectionString connectionString, IDictionary driverProps) +1244
   OpenAccessRuntime.Relational.conn.RelationalConnectionPool.createRealCon() +383

[DataStoreException: Unable to connect to Backend=mssql;Driver=genericADO2;Server=.;Instance=SQLExpress;Database=-;Integrated Security=true;AttachDBFilename=C:\Program Files (x86)\Telerik\Sitefinity 4.0\Samples\CS\SitefinityWebApp\App_Data\Sitefinity.mdf;:
Telerik.OpenAccess.RT.sql.SQLException: The database 'C:\PROGRAM FILES (X86)\TELERIK\SITEFINITY 4.0\SAMPLES\CS\SITEFINITYWEBAPP\APP_DATA\SITEFINITY.MDF' cannot be opened because it is version 655. This server supports version 612 and earlier. A downgrade path is not supported.
Could not open new database 'C:\PROGRAM FILES (X86)\TELERIK\SITEFINITY 4.0\SAMPLES\CS\SITEFINITYWEBAPP\APP_DATA\SITEFINITY.MDF'. CREATE DATABASE is aborted.
An attempt to attach an auto-named database for file C:\Program Files (x86)\Telerik\Sitefinity 4.0\Samples\CS\SitefinityWebApp\App_Data\Sitefinity.mdf failed. A database with the same name exists, or specified file cannot be opened, or it is located on UNC share.
   at Telerik.OpenAccess.RT.Adonet2Generic.Impl.DBDriver.connect(ConnectionString connectionString, IDictionary driverProps)
   at OpenAccessRuntime.Relational.conn.RelationalConnectionPool.createRealCon()
DBDriver: Telerik.OpenAccess.RT.Adonet2Generic.Impl.DBDriver
LOCK_TIMEOUT=5000
useUTCForReads=1 Telerik.OpenAccess.RT.sql.SQLException: The database 'C:\PROGRAM FILES (X86)\TELERIK\SITEFINITY 4.0\SAMPLES\CS\SITEFINITYWEBAPP\APP_DATA\SITEFINITY.MDF' cannot be opened because it is version 655. This server supports version 612 and earlier. A downgrade path is not supported.
Could not open new database 'C:\PROGRAM FILES (X86)\TELERIK\SITEFINITY 4.0\SAMPLES\CS\SITEFINITYWEBAPP\APP_DATA\SITEFINITY.MDF'. CREATE DATABASE is aborted.
An attempt to attach an auto-named database for file C:\Program Files (x86)\Telerik\Sitefinity 4.0\Samples\CS\SitefinityWebApp\App_Data\Sitefinity.mdf failed. A database with the same name exists, or specified file cannot be opened, or it is located on UNC share.
   at Telerik.OpenAccess.RT.Adonet2Generic.Impl.DBDriver.connect(ConnectionString connectionString, IDictionary driverProps)
   at OpenAccessRuntime.Relational.conn.RelationalConnectionPool.createRealCon()]
   DynamicModule.ns.Wrapped_OpenAccessPageProvider_dcbb9c887bfa4f398ef26284b8651c7b.Initialize(String providerName, NameValueCollection config, Type managerType) +281
   Telerik.Sitefinity.Data.ManagerBase`1.InstantiateProvider(IDataProviderSettings providerSettings, Type providerType, ExceptionPolicyName policy, ManagerBase`1 manager) +2706
   Telerik.Sitefinity.Data.ManagerBase`1.InstantiateProvider(IDataProviderSettings providerSettings, ExceptionPolicyName policy, ManagerBase`1 manager) +117
   Telerik.Sitefinity.Data.ManagerBase`1.SetProvider(String providerName, String transactionName) +407
   Telerik.Sitefinity.Data.ManagerBase`1..ctor(String providerName, String transactionName) +249
   Telerik.Sitefinity.Data.ManagerBase`1..ctor() +37
   Telerik.Sitefinity.Modules.GenericContent.ContentManagerBase`1..ctor() +28
   Telerik.Sitefinity.Modules.ControlManager`1..ctor() +29
   Telerik.Sitefinity.Modules.Pages.PageManager..ctor() +44
   Telerik.Sitefinity.Modules.Pages.PageManager..cctor() +60

[TypeInitializationException: The type initializer for 'Telerik.Sitefinity.Modules.Pages.PageManager' threw an exception.]
   Telerik.Sitefinity.Modules.Pages.PageManager.GetManager(String providerName) +0
   Telerik.Sitefinity.Web.SiteMapBase.Initialize(String name, NameValueCollection attributes) +1235
   Telerik.Sitefinity.Web.SiteMapBase.GetSiteMapProvider(String rootName) +372
   Telerik.Sitefinity.Web.SitefinitySiteMap.GetCurrentProvider() +60
   Telerik.Sitefinity.Web.SitefinityRoute.GetRouteData(HttpContextBase httpContext) +117
   System.Web.Routing.RouteCollection.GetRouteData(HttpContextBase httpContext) +285
   System.Web.Routing.UrlRoutingModule.PostResolveRequestCache(HttpContextBase context) +60
   System.Web.Routing.UrlRoutingModule.OnApplicationPostResolveRequestCache(Object sender, EventArgs e) +86
   System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +148
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +75