Cannot read the next data row for the dataset ClientSales. (rsErrorReadingNextDataRow)

• Am getting bellow error message while fetching data 

An error has occurred during report processing. (rsProcessingAborted)
Cannot read the next data row for the dataset ClientSales. (rsErrorReadingNextDataRow)
Invalid attempt to call Read when reader is closed.

Also am change site settings also



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Thanks Bala Narasimha

Error Log:

ERROR: An exception has occurred in data set 'DataSet_Name'. 
Details: Microsoft.ReportingServices.ReportProcessing.ReportProcessingException: Cannot read the next data row for the dataset DataSet_Name. 
---> System.InvalidOperationException: Invalid attempt to call Read when reader is closed.

processing!ReportServer_0-8!115c!02/12/2019-10:15:36:: e ERROR: An exception has occurred in data set 'DataSet_Name'. Details: Microsoft.ReportingServices.ReportProcessing.ReportProcessingException: Cannot read the next data row for the dataset DataSet_Name. ---> System.InvalidOperationException: Invalid attempt to call Read when reader is closed.
   at System.Data.SqlClient.SqlDataReader.ReadInternal(Boolean setTimeout)
   at Microsoft.ReportingServices.DataExtensions.DataReaderWrapper.Read()
   at Microsoft.ReportingServices.DataExtensions.MappingDataReader.GetNextRow()
   --- End of inner exception stack trace ---
   at Microsoft.ReportingServices.DataExtensions.MappingDataReader.GetNextRow()
   at Microsoft.ReportingServices.OnDemandProcessing.RuntimeDataSet.ReadOneRow(Int32& rowIndex)
   at Microsoft.ReportingServices.OnDemandProcessing.RuntimeAtomicDataSet.ProcessRows()
   at Microsoft.ReportingServices.OnDemandProcessing.RuntimeAtomicDataSet.Process()
   at Microsoft.ReportingServices.OnDemandProcessing.RuntimeAtomicDataSet.ProcessConcurrent(Object threadSet)
processing!ReportServer_0-8!115c!02/12/2019-10:15:36:: i INFO: DataPrefetch abort handler called for Report with ID=. Aborting data sources ...
processing!ReportServer_0-8!115c!02/12/2019-10:15:36:: e ERROR: Throwing Microsoft.ReportingServices.ReportProcessing.ProcessingAbortedException: , Microsoft.ReportingServices.ReportProcessing.ProcessingAbortedException: An error has occurred during report processing. ---> Microsoft.ReportingServices.ReportProcessing.ReportProcessingException: Cannot read the next data row for the dataset DataSet_Name. ---> System.InvalidOperationException: Invalid attempt to call Read when reader is closed.
   at System.Data.SqlClient.SqlDataReader.ReadInternal(Boolean setTimeout)
   at Microsoft.ReportingServices.DataExtensions.DataReaderWrapper.Read()
   at Microsoft.ReportingServices.DataExtensions.MappingDataReader.GetNextRow()
   --- End of inner exception stack trace ---
   at Microsoft.ReportingServices.DataExtensions.MappingDataReader.GetNextRow()
   at Microsoft.ReportingServices.OnDemandProcessing.RuntimeDataSet.ReadOneRow(Int32& rowIndex)
   at Microsoft.ReportingServices.OnDemandProcessing.RuntimeAtomicDataSet.ProcessRows()
   at Microsoft.ReportingServices.OnDemandProcessing.RuntimeAtomicDataSet.Process()
   at Microsoft.ReportingServices.OnDemandProcessing.RuntimeAtomicDataSet.ProcessConcurrent(Object threadSet)
   --- End of inner exception stack trace ---;