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"Unhandled exception" when opening Strategy Analyzer in 8.0.2.0

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    "Unhandled exception" when opening Strategy Analyzer in 8.0.2.0

    I have just installed NT 8.0.2.0.

    Open the app, and choose Strategy Analyzer. I am then met with a popup.

    "Unhandled exception: Value cannot be null.
    Parameter name: collection
    "

    I am at a standstill. Any help/insight?
    Attached Files

    #2
    Hello ArmKnuckle,

    Can you please send me your log and trace files, so I can investigate. Go to Control Center-->Help-->Email Support. Put 'Att Jason, 1617298' in the subject header and make sure 'Log and trace files' is enabled.
    JasonNinjaTrader Customer Service

    Comment


      #3
      Sending through Email Support did not work. It has never worked for me.

      I attached the "log and trace" folders to the email address: platformsupport[at]ninjatrader[dot]com with Att Jason, 1617298 in the subject line.


      Could you please provide step-by-step instructions how to downgrade/uninstall NinjaTrader from version 8.0.2.0 back to the version 8.0.1.0?

      I still have the NinjaTrader 8.0.1.0 installer.

      Using the Uninstall program - control panel in Windows 7 (64-bit) to remove NT 8.0.2.0 in insufficient. Installing NT 8.0.1.0 after removing NT 8.0.2.0 causes a series of database errors.

      There is an option to ignore the error, but that seems a poor choice.

      Comment


        #4
        Thank you for sending the files that way.

        You uninstall NinjaTrader 8 from the Windows Control Panel. This will not delete the Documents-->NinjaTrader 8 folder which contains all settings and data. It seems this conflicts with the database. Please see the instructions I sent to rename the database and check if the database errors persist.
        JasonNinjaTrader Customer Service

        Comment


          #5
          Hello,

          I'm also seeing this error when opening Strategy Analyzer after upgrading to 8.0.2.0. Is there a temporary workaround?

          Comment


            #6
            Hello FaaastEddy,

            Can you please send me your log and trace files as well, so I can investigate. Go to Control Center-->Help-->Email Support. Put 'Att Jason, 1617298' in the subject header and make sure 'Log and trace files' is enabled.
            JasonNinjaTrader Customer Service

            Comment


              #7
              Hi Jason.

              I have sent you the logs.

              Thanks.

              Comment


                #8
                Hello FaaastEddy,

                Thank you for sending in your files.

                This is planned for resolution in the next release of NinjaTrader 8. I do not have specifics on when the release will occur.

                Comment

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