Hi,

thanks for your response. I am using Umbraco 7.4 and this is the log error message:

System.Data.SqlClient.SqlException (0x80131904): Invalid object name 'ncBtVisitorSegment'. at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection, Action1 wrapCloseInAction) at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose) at System.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj, Boolean& dataReady) at System.Data.SqlClient.SqlDataReader.TryConsumeMetaData() at System.Data.SqlClient.SqlDataReader.get_MetaData() at System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString) at System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async, Int32 timeout, Task& task, Boolean asyncWrite, SqlDataReader ds, Boolean describeParameterEncryptionRequest) at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, TaskCompletionSource1 completion, Int32 timeout, Task& task, Boolean asyncWrite) at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method) at System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method) at System.Data.SqlClient.SqlCommand.ExecuteReader() at ncBehaviouralTargeting.Library.DataSources.SqlTrackingDataSource.GetVisitorSegments(String visitorId, Segment segment) at ncBehaviouralTargeting.Library.DataSources.SqlTrackingDataSource.IsVisitorInSegment(String visitorId, Segment segment) at ncBehaviouralTargeting.Library.DataSources.TrackingManager.IsVisitorInSegment(String visitorId, String segmentAlias) at ncBehaviouralTargeting.Library.DataSources.TrackingManager.SetVisitorProperty(String visitorId, IReadOnlyDictionary2 values) at ncBehaviouralTargeting.Library.Tracking.CurrentVisitor.SetInternalProperty(Dictionary2 values) at ncBehaviouralTargeting.Library.Tracking.CurrentVisitor.SetFootprints(HttpContextBase httpContext) at ncBehaviouralTargeting.Library.Attributes.FootprintTrackingFilterAttribute.OnActionExecuting(ActionExecutingContext filterContext) at System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters.InvokeActionMethodFilterAsynchronouslyRecursive(Int32 filterIndex) at System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters.InvokeActionMethodFilterAsynchronouslyRecursive(Int32 filterIndex) at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>cDisplayClass33.31(AsyncCallback asyncCallback, Object asyncState) at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResultBase1.Begin(AsyncCallback callback, Object state, Int32 timeout) at System.Web.Mvc.Async.AsyncControllerActionInvoker.BeginInvokeActionMethodWithFilters(ControllerContext controllerContext, IList1 filters, ActionDescriptor actionDescriptor, IDictionary2 parameters, AsyncCallback callback, Object state) at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass21.<BeginInvokeAction>b__19(AsyncCallback asyncCallback, Object asyncState) at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResultBase1.Begin(AsyncCallback callback, Object state, Int32 timeout) at System.Web.Mvc.Async.AsyncControllerActionInvoker.BeginInvokeAction(ControllerContext controllerContext, String actionName, AsyncCallback callback, Object state) at System.Web.Mvc.Controller.

Many thanks,