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How to handle the "Your Spotfire session closed unexpectedly" error message

Pierre Burrus

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When I open a Spotfire project that used to work, I have the following error message : "Your Spotfire session closed unexpectedly". So that I am not able to open and modify the Spotfire project anymore. Does anyone know what could explain such a message

Thank you in advance,


PS : the detailed message is as follows : "System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.ArgumentException: An item with the same key has already been added."

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