1. webserver!ReportServer_0-1!1634!12/15/2018-02:06:40:: e ERROR: Reporting Services error Microsoft.ReportingServices.Diagnostics.Utilities.RSException: An error has occurred during report processing. ---> Microsoft.ReportingServices.ReportProcessing.ProcessingAbortedException: An error has occurred during report processing. ---> Microsoft.ReportingServices.ReportProcessing.DataSetExecutionException: The execution failed for the shared data set 'Realize_TeacherUsage_Month'. ---> Microsoft.ReportingServices.ReportProcessing.ReportProcessingException: Query execution failed for dataset 'DataSet1'. ---> System.Data.SqlClient.SqlException: Error converting data type nvarchar to bigint.
2.    at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection)
3.    at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj)
4.    at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
5.    at System.Data.SqlClient.SqlDataReader.ConsumeMetaData()
6.    at System.Data.SqlClient.SqlDataReader.get_MetaData()
7.    at System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString)
8.    at System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async)
9.    at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result)
10.    at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method)
11.    at System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method)
12.    at System.Data.SqlClient.SqlCommand.ExecuteDbDataReader(CommandBehavior behavior)
13.    at System.Data.Common.DbCommand.System.Data.IDbCommand.ExecuteReader(CommandBehavior behavior)
14.    at Microsoft.ReportingServices.DataExtensions.SqlCommandWrapperExtension.ExecuteReader(CommandBehavior behavior)
15.    at Microsoft.ReportingServices.OnDemandProcessing.RuntimeDataSet.RunEmbeddedQuery(Boolean& readerExtensionsSupported, Boolean& readerFieldProperties, List`1 queryParams, Object[] paramValues)
16.    --- End of inner exception stack trace ---
17.    at Microsoft.ReportingServices.OnDemandProcessing.RuntimeDataSet.RunEmbeddedQuery(Boolean& readerExtensionsSupported, Boolean& readerFieldProperties, List`1 queryParams, Object[] paramValues)
18.    at Microsoft.ReportingServices.OnDemandProcessing.RuntimeDataSet.RunDataSetQueryAndProcessAsIRowConsumer(Boolean processAsIRowConsumer)
19.    at Microsoft.ReportingServices.OnDemandProcessing.RuntimeDataSet.InitializeAndRunLiveQuery()
20.    at Microsoft.ReportingServices.OnDemandProcessing.RuntimeAtomicDataSet.InitializeRowSourceAndProcessRows()
21.    at Microsoft.ReportingServices.OnDemandProcessing.RuntimeAtomicDataSet.Process()
22.    at Microsoft.ReportingSe
23.