Hi,

Make you sure you have a large interval set, so between dates.

Furthermore, only queries that will take longer than 200ms (default) will be logged and thus reported.

Hi J.

 I  had select [Today, Yestoday, Current week], 

they are all empty report.

I search slow sql in [Genernal Log], there are many slow sql in  [Genernal Log].

I found error in Error log.

<Message>
Invalid length parameter passed to the LEFT or SUBSTRING function. 

<Stack>
Invalid length parameter passed to the LEFT or SUBSTRING function.
   場所 System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction)
   場所 System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose)
   場所 System.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj, Boolean& dataReady)
   場所 System.Data.SqlClient.SqlDataReader.TryHasMoreRows(Boolean& moreRows)
   場所 System.Data.SqlClient.SqlDataReader.TryReadInternal(Boolean setTimeout, Boolean& more)
   場所 System.Data.SqlClient.SqlDataReader.Read()
   場所 OutSystems.Internal.Db.DatabaseAccess.ExecuteWithoutRequestTimeout[T](Func`1 action)
   場所 OutSystems.HubEdition.RuntimePlatform.Db.OSList`1.Advance()
   場所 ssServiceCenter.Actions.ActionReport_Fill_SlowSql(HeContext heContext, Int32 inParamReportId, DateTime inParamStartDate, DateTime inParamEndDate)
   場所 ssServiceCenter.Actions.ActionReport_Fill(HeContext heContext, Int32 inParamReportId, String inParamReportType, DateTime inParamStartDate, DateTime inParamEndDate, String inParamIntegrationType)
   場所 ssServiceCenter.Actions.ActionTimer_ReportFill(HeContext heContext) 

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