Similar to keys in a dictionary, keyword argument names are case
sensitive. Try to pass in the lowercase version 'null':
Raison_Non_Delivery_cd = models.ForeignKey(Raison,
on_delete=models.CASCADE, related_name='raisonNonDelivery', null=True)
-Jorge
On Wed, May 20, 2020 at 5:05 PM hajar <[email protected]> wrote:
> hello django users , I hope u r doing well !
>
>
> why can't I use Null in this case of foreign key , I hope you can see the
> picture below that's my class and the error
>
>
>
> [image: err.png]
>
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