Error when using two sets of time series data in a model: "The last data point must be on or after the simulation end time."

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Robin MacDonald

• October 27, 2023 18:42

This error message is coming up in my model: "The last data point must be on or after the simulation end time."

I have 2 sets of time series data in the model, where only 1 is being used at a time and I am switching between them manually by disconnecting and reconnecting the time series to another element. The two time series data have different lengths (one spans 4 days, the other spans 20 years). When I 'disconnect' the 4-day time series and run the model using 1 year of data using the larger time series, I get this error message reported by the smaller time series data element...even though this time series data isn't being used anywhere in the model.

Is there a way to get around this issue? Currently, I'm needing to completely delete the time series data that isn't currently being used from the model and then add it back in once I want to use it again, which is obviously very inconvenient.

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  Rick Kossik

  • October 27, 2023 18:48

  GoldSim can't know that it will not be used just because it is not linked to another element (perhaps you simply want to add it to a plot). If it is in the model, it must be valid for the time settings defined. Simply add an additional data point that is after the 20 year simulation end time. For the shorter simulation (when it is used), it will not affect the results, but it will allow the longer simulation to run.

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  Robin MacDonald

  • October 27, 2023 18:53

  It worked! I added one extra row of data in the shorter time series occurring at the last date/time of the longer time series, and it ran without the error. Thank you so much!

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