Ventana software support forum

Posted: **Wed Oct 20, 2021 2:40 pm**

Hi everyone

I am trying to calibrate my model.
According to the Help in the Vensim, I have imported the data in the model.

: Untitled.png (35.45 KiB) Viewed 1298 times

And The payoff of Calibration and All the parameters of Optimization have been set.
But, When I run the model, it shows the error.

: Untitled1.png (52.69 KiB) Viewed 1298 times

I was wondering what's wrong with it?
Thank you very much!

Best wishes,

Posted: **Wed Oct 20, 2021 3:27 pm**

It may be that you haven't told Vensim to use the data file. Try simulation control, and the data section. Or run the optimization wizard and make sure you specify the data file in the last step.

Alternatively, can you upload the files so we can take a look?

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