Error trying to deploy Report

I have a report which works perfectly well within Visual Studio in design. However as soon as I try to deploy this to the Report Server it throws the following error:

w3wp!library!6!02/12/2007-16:29:17:: i INFO: Call to CreateReport( 'Defects by Application (Inactive and Active by Severity) Chart', '/AET Deployment', def)
w3wp!library!6!02/12/2007-16:29:17:: e ERROR: Throwing Microsoft.ReportingServices.Diagnostics.Utilities.InternalCatalogException: An internal error occurred on the report server. See the error log for more details., ;
Info: Microsoft.ReportingServices.Diagnostics.Utilities.InternalCatalogException: An internal error occurred on the report server. See the error log for more details. > System.Data.SqlClient.SqlException: String or binary data would be truncated.
The statement has been terminated.
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(TdsParserStateObject stateObj)
at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
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.InternalExecuteNonQuery(DbAsyncResult result, String methodName, Boolean sendToPipe)
at System.Data.SqlClient.SqlCommand.ExecuteNonQuery()
at Microsoft.ReportingServices.Library.InstrumentedSqlCommand.ExecuteNonQuery()
at Microsoft.ReportingServices.Library.DBInterface.CreateObject(Guid id, String shortName, String fullPath, String parentPath, Guid parentId, ItemType objectType, Byte[] objectContent, Guid intermediateSnapshotID, Guid link, String linkPath, ItemProperties objectProperties, String parameters, Byte[] createdBySid, String createdByName, DateTime creationDate, String mimeType)
at Microsoft.ReportingServices.Library.DBInterface.CreateObject(Guid id, String shortName, String fullPath, String parentPath, Guid parentId, ItemType objectType, Byte[] objectContent, Guid intermediateSnapshotID, Guid link, String linkPath, ItemProperties objectProperties, String parameters, String createdBy, DateTime creationDate, String mimeType)
at Microsoft.ReportingServices.Library.CatalogItemCreator.CreateItem()
at Microsoft.ReportingServices.Library.CreateReportAction._CreateReport(String report, String parent, Boolean overwrite, Byte[] definition, Property[] properties)
at Microsoft.ReportingServices.Library.CreateReportAction.CreateReport(Guid batchId, String report, String parent, Boolean overwrite, Byte[] definition, Property[] properties)
End of inner exception stack trace

I cannot identify any issues in the report definition which may indicate where data truncation may occur.

Any help appreciated.

Exception error relates to some problem with the tools, you might try to deploying the report from another machine where BIDS is installed with this project, also confirm the service pack of SQL & RS used here.|||

Using RS 2005 SP1 with SQL 2000 SP3

We have tried deploying this report from a number of locations - from BIDS, from Visual Studio, from RS itself - all fail. We have been able to deploy other reports but cannot see what is causing this deployment to fail ... especially as it runs without issues in preview.

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Looks like we have found the issue.

I had been looking at the parameters that were being passed from the Report back to the stored procedures and had verified all of those were OK. However one of the stored procs was returning a dataset with a tinyint which was then being used as an int within other parameters. Not sure how going from tinyint to int can ever result in truncation but when we set the type to int in the stored procedure it deployed OK.