I don't have a lot details of what was running and when the crash occurred, I'll try to reproduce it. It was not after an end user action (NT was connected to IQFeed and was running unattended).
System.Collections.Generic.KeyNotFoundException was unhandled Message: An unhandled exception of type 'System.Collections.Generic.KeyNotFoundException' occurred in NinjaTrader.IQFeed.dll
Additional information: The given key was not present in the dictionary.
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