Wishlist Plugin JS Error

Hi,
I use two of your great plugins, including your Wishlist. Since I’ve been using this plugin, the console shows me the following JS error:
GET?https://messerkontor.de/wp-content/plugins/yith-woocommerce-wishlist/assets/js/unminified/add-to-wishlist-gutenberg.js?ver=4.0.1
Status 404
VersionHTTP/2
übertragen 29,67 kB (151,19 kB Gr??e)
Referrer Policystrict-origin-when-cross-origin
DNS-Aufl?sung System

Hope you can help….
Best Regards

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