Add to wishlist is a default feature of suite commerce advanced. some times we get an error like the maximum number of characters exceeded in this situation we couldn’t create a wishlist for the same.
The reason for this error is a massive number of options on the product fieldset. to avoid this error need to delete unwanted fieldsets from the details of fieldset
path: commerce > website > website list > select the domain > field set > details > remove unwanted datas
