Error: The server is either unavailable or your connection..

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  nikolak Member Posts: 20

  2010-06-02

  Can you describe the problem better? Are you able to connect to it? What happends after you click try again, does it connect or not?

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  navmukesh Member Posts: 12

  2010-08-16

  Hi ebsoft,
  
  I was hoping that you were able to solve the issue. I am facing the similar issue but not able to solve it.
  
  Regards,
  Mukesh

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  fitol Member Posts: 46

  2010-08-18

  Are you using the same build number for your RTC and NST?

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  KentW Member Posts: 1

  2011-02-10

  A Classic report, run from either an action or a menu item in RTC, was giving me this error, too.
  
  I'm almost embarrassed that I tried such a simple and unlikely solution, but it worked, so I thought I'd share.
  
  In design mode for the report, I ran Tools->Create Layout Suggestion, then closed Visual Studio and the report, saving it. Then I designed it again and ran Tools->Delete Layout and saved again. The error was gone.
  
  Obviously, you wouldn't want to do this with an RTC report, because you would wipe out the RDL.
  
  Kent

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  wital Member Posts: 1

  2011-05-26

  Hello,
  
  when you run report and get error that server connect is lost, on she server machine in event viewer appears following error:
  
  Service: MicrosoftDynamicsNavServer
  User: LITUANICA\nvb03
  Type: System.ArgumentNullException
  Message:
  Value cannot be null.
  Parameter name: SourceExpression
  ParamName: SourceExpression
  StackTrace:
  at Microsoft.Dynamics.Nav.Runtime.NavReport.ExecuteReportDataItem()
  at Microsoft.Dynamics.Nav.Runtime.NavReport.ExecuteReportLoop(NavReportDataItem dataItem)
  at Microsoft.Dynamics.Nav.Runtime.NavReport.LoopRootDataItems()
  at Microsoft.Dynamics.Nav.Runtime.NavReport.ExecuteReport(Boolean displayResult)
  at Microsoft.Dynamics.Nav.Runtime.NavReport.RunReportInternal(NavRecord record, Boolean displayResult)
  at Microsoft.Dynamics.Nav.Runtime.NavReport.RunReport(Nullable`1 requestWindow, Nullable`1 systemPrinter, Boolean runReportModal, NavRecord record, IList`1 reportTextualFilters)
  at Microsoft.Dynamics.Nav.Runtime.NavReport.RunReport(Int32 reportId, Nullable`1 requestWindow, Nullable`1 systemPrinter, Boolean isRunningAsModal, NavRecord record, IList`1 textualFilters)
  at Microsoft.Dynamics.Nav.Runtime.NavReport.Run(Int32 reportId)
  at Microsoft.Dynamics.Nav.Service.NSReport.Run(NavConnection connection)
  at Microsoft.Dynamics.Nav.Service.NSService.<>c__DisplayClass24.<RunReport>b__23(Connection connection)
  at Microsoft.Dynamics.Nav.Service.NSService.ExecuteOperation[T](String operationName, ServiceOperation`1 operation, Connection connection, Boolean revertLanguageChanges, WindowsIdentity impersonationIdentity)
  Source: Microsoft.Dynamics.Nav.Ncl
  
  
  i have recompiled the report and now i can run it without any errors again.

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