Author Topic: Error message: Conversion from string to type date is not valid  (Read 165 times)


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Problem solved, I missed a day in February in my excel file. I have spent hours without noticing the mistake. Thank you.

I have an error message each time I try to run the model (please see the screenshot attached).
I have checked the date format in the excel files at Dr. Ragab advised in the tutorial video :
My computer is set with UK standards.
I have copied an existing example file and replaced the other data with mine but the error message continues.

Does anyone know how to solve this issue?

Thank you in advance.

Kind regards,


« Last Edit: April 07, 2017, 01:05:27 pm by Alban »

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