I am getting the following exception when I create a new project. I have followed all walkthroughs I can find online. I am now at a loss what to check next. Any pointers?

---begin Exception entry---
Time: 2006-08-31 16:06:15Z
Module: Engine
Event Description: TF30162: Task "Populate Reports" from Group "Reporting" failed
Exception Type: Microsoft.TeamFoundation.Client.PcwException
Exception Message: TF30225: Error uploading report : Work Item with Tasks
Exception Details: The Project Creation Wizard encountered a problem while
creating reports on the SQL Server Reporting Services on 192.168.1.106.
The reason for the failure cannot be determined at this time.
Because the operation failed, the wizard was not able to finish
creating the SQL Server Reporting Services site.
Stack Trace:
at Microsoft.VisualStudio.TeamFoundation.RosettaReportUploader.UploadReport(ProjectCreationContext context, XmlNode report)
at Microsoft.VisualStudio.TeamFoundation.RosettaReportUploader.HandleCreateReports(ProjectCreationContext context, XmlNode node)
at Microsoft.VisualStudio.TeamFoundation.RosettaReportUploader.Execute(ProjectCreationContext context, XmlNode taskXml)
at Microsoft.VisualStudio.TeamFoundation.ProjectCreationEngine.TaskExecutor.PerformTask(IProjectComponentCreator componentCreator, ProjectCreationContext context, XmlNode taskXml)
at Microsoft.VisualStudio.TeamFoundation.ProjectCreationEngine.RunTask(Object taskObj)
-- Inner Exception --
Exception Type: System.Web.Services.Protocols.SoapException
Exception Message: The current action cannot be completed because the user data source credentials that are required to execute this report are not stored in the report server database. ---> The current action cannot be completed because the user data source credentials that are required to execute this report are not stored in the report server database.
SoapException Details: <detail><ErrorCode xmlns="http://www.microsoft.com/sql/reportingservices">rsInvalidDataSourceCredentialSetting</ErrorCode><HttpStatus xmlns="http://www.microsoft.com/sql/reportingservices">400</HttpStatus><Message xmlns="http://www.microsoft.com/sql/reportingservices">The current action cannot be completed because the user data source credentials that are required to execute this report are not stored in the report server database.</Message><HelpLink xmlns="http://www.microsoft.com/sql/reportingservices">http://go.microsoft.com/fwlink/?LinkId=20476&amp;EvtSrc=Microsoft.ReportingServices.Diagnostics.Utilities.ErrorStrings&amp;EvtID=rsInvalidDataSourceCredentialSetting&amp;ProdName=Microsoft%20SQL%20Server%20Reporting%20Services&amp;ProdVer=9.00.2047.00</HelpLink><ProductName xmlns="http://www.microsoft.com/sql/reportingservices">Microsoft SQL Server Reporting Services</ProductName><ProductVersion xmlns="http://www.microsoft.com/sql/reportingservices">9.00.2047.00</ProductVersion><ProductLocaleId xmlns="http://www.microsoft.com/sql/reportingservices">127</ProductLocaleId><OperatingSystem xmlns="http://www.microsoft.com/sql/reportingservices">OsIndependent</OperatingSystem><CountryLocaleId xmlns="http://www.microsoft.com/sql/reportingservices">1033</CountryLocaleId><MoreInformation xmlns="http://www.microsoft.com/sql/reportingservices"><Source>ReportingServicesLibrary</Source><Message msrs:ErrorCode="rsInvalidDataSourceCredentialSetting" msrs:HelpLink="http://go.microsoft.com/fwlink/?LinkId=20476&amp;EvtSrc=Microsoft.ReportingServices.Diagnostics.Utilities.ErrorStrings&amp;EvtID=rsInvalidDataSourceCredentialSetting&amp;ProdName=Microsoft%20SQL%20Server%20Reporting%20Services&amp;ProdVer=9.00.2047.00" xmlns:msrs="http://www.microsoft.com/sql/reportingservices">The current action cannot be completed because the user data source credentials that are required to execute this report are not stored in the report server database.</Message></MoreInformation><Warnings xmlns="http://www.microsoft.com/sql/reportingservices" /></detail>
Stack Trace:
at System.Web.Services.Protocols.SoapHttpClientProtocol.ReadResponse(SoapClientMessage message, WebResponse response, Stream responseStream, Boolean asyncCall)
at System.Web.Services.Protocols.SoapHttpClientProtocol.Invoke(String methodName, Object[] parameters)
at Microsoft.TeamFoundation.Proxy.Reporting.ReportingService.SetCacheOptions(String Report, Boolean CacheReport, ExpirationDefinition Item)
at Microsoft.VisualStudio.TeamFoundation.RosettaReportUploader.UploadReport(ProjectCreationContext context, XmlNode report)
-- end Inner Exception --
--- end Exception entry ---

Could you go to http://Application-tier-name/reports and click on each one of the datasources then click on properties and check that the credentials specified are those of your service account.

Thanks,
Othmane

Can you tell us what setting you changed in the registry? It's killing me here!

Thanks