We upgraded to umbraco 6.0.2 from umbraco 4.11.5, and now we se these exceptions in the umbracolog. Have I missed to upgrade something? I see in the businesslogic.dll that it has something to do with ApplicationRegistrar() method, and maybe something with PetaPoco?

Error loading application startup handler: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> umbraco.DataLayer.SqlHelperException: Umbraco Exception (DataLayer): SQL helper exception in ExecuteReader ---> System.Data.SqlClient.SqlException: Invalid object name 'umbracoAppTree'.     at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection)     at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection)     at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning()     at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)     at System.Data.SqlClient.SqlDataReader.ConsumeMetaData()     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)     at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result)     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(CommandBehavior behavior)     at Microsoft.ApplicationBlocks.Data.SqlHelper.ExecuteReader(String connectionString, CommandType commandType, String commandText, SqlParameter[] commandParameters)     at umbraco.DataLayer.SqlHelpers.SqlServer.SqlServerHelper.ExecuteReader(String commandText, SqlParameter[] parameters)     at umbraco.DataLayer.SqlHelper`1.ExecuteReader(String commandText, IParameter[] parameters)     --- End of inner exception stack trace ---     at umbraco.DataLayer.SqlHelper`1.ExecuteReader(String commandText, IParameter[] parameters)     at umbraco.BusinessLogic.ApplicationTreeRegistrar.<>c__DisplayClassb.<.ctor>b__5(XDocument doc)     at umbraco.BusinessLogic.ApplicationTree.LoadXml(Action`1 callback, Boolean saveAfterCallback)     at umbraco.BusinessLogic.ApplicationTreeRegistrar..ctor()     --- End of inner exception stack trace ---     at System.RuntimeTypeHandle.CreateInstance(RuntimeType type, Boolean publicOnly, Boolean noCheck, Boolean& canBeCached, RuntimeMethodHandleInternal& ctor, Boolean& bNeedSecurityCheck)     at System.RuntimeType.CreateInstanceSlow(Boolean publicOnly, Boolean skipCheckThis, Boolean fillCache)     at System.RuntimeType.CreateInstanceDefaultCtor(Boolean publicOnly, Boolean skipVisibilityChecks, Boolean skipCheckThis, Boolean fillCache)     at System.Activator.CreateInstance(Type type, Boolean nonPublic)     at System.Activator.CreateInstance(Type type)     at umbraco.businesslogic.ApplicationStartupHandler..cctor()

Error loading application startup handler: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> umbraco.DataLayer.SqlHelperException: Umbraco Exception (DataLayer): SQL helper exception in ExecuteReader ---> System.Data.SqlClient.SqlException: Invalid object name 'umbracoApp'.     at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection)     at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection)     at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning()     at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)     at System.Data.SqlClient.SqlDataReader.ConsumeMetaData()     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)     at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result)     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(CommandBehavior behavior)     at Microsoft.ApplicationBlocks.Data.SqlHelper.ExecuteReader(String connectionString, CommandType commandType, String commandText, SqlParameter[] commandParameters)     at umbraco.DataLayer.SqlHelpers.SqlServer.SqlServerHelper.ExecuteReader(String commandText, SqlParameter[] parameters)     at umbraco.DataLayer.SqlHelper`1.ExecuteReader(String commandText, IParameter[] parameters)     --- End of inner exception stack trace ---     at umbraco.DataLayer.SqlHelper`1.ExecuteReader(String commandText, IParameter[] parameters)     at umbraco.BusinessLogic.ApplicationRegistrar.<>c__DisplayClassb.<.ctor>b__5(XDocument doc)     at umbraco.BusinessLogic.Application.LoadXml(Action`1 callback, Boolean saveAfterCallback)     at umbraco.BusinessLogic.ApplicationRegistrar..ctor()     --- End of inner exception stack trace ---     at System.RuntimeTypeHandle.CreateInstance(RuntimeType type, Boolean publicOnly, Boolean noCheck, Boolean& canBeCached, RuntimeMethodHandleInternal& ctor, Boolean& bNeedSecurityCheck)     at System.RuntimeType.CreateInstanceSlow(Boolean publicOnly, Boolean skipCheckThis, Boolean fillCache)     at System.RuntimeType.CreateInstanceDefaultCtor(Boolean publicOnly, Boolean skipVisibilityChecks, Boolean skipCheckThis, Boolean fillCache)     at System.Activator.CreateInstance(Type type, Boolean nonPublic)     at System.Activator.CreateInstance(Type type)     at umbraco.businesslogic.ApplicationStartupHandler..cctor()