I'm trying to make a new variant of an item but when I try the following error occurs:
But when i look at the item variant, there isn't a variant:
Where can i delete the ''existing'' variantcode?

I'm trying to make a new variant of an item but when I try the following error occurs:
But when i look at the item variant, there isn't a variant:
Where can i delete the ''existing'' variantcode?