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Dynamics 365 Community / Forums / Microsoft Dynamics NAV (Archived) / Error - You cannot bas...
Microsoft Dynamics NAV (Archived)
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Error - You cannot base a date calculation on an undefined date

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Posted on by jsshivalik 3,039

Hi

ILine is record Datatype

ILine.SETRANGE("IDate",CALCDATE('<-6M>',"IDate"),"IDate");

You cannot base a date calculation on an undefined date
Date : 0D
Formula :- -6M

Thanks

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  • Suggested answer
    Stefano Demiliani Profile Picture
    Stefano Demiliani 37,162 Most Valuable Professional on at
    RE: Error - You cannot base a date calculation on an undefined date

    This problem occours because IDate has a value of 0D (null date) and you cannot subtract 6 months to a null date.

    Check your code.

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