Pinterest Rich Pin (h-recipe) and Webflow Collection Items

Hello Community
I have a problem with Pinterest Rich Pin: the crawling only works if we create a new Collection Item.

Case:
A year ago we create in Webflow a collection page for recipes. Now we update the page with h-recipe tags to index the Reciepes on pinterest.
The Tags works and a rich pin on pinterest will be created if we create a totaly new recipe item and insert the link on pinterest.
But: if we use an url of an existing (or a duplicated) item it doesent works: no rich pin information won’t be shown on pinterest.

We work with h-recipe, because schema.org won’t work between webflow and pinterest.

Example with an existing item and no rich pin:

Rich Pin Example with a new item:

Do we really have to recreate all the collectibles?
Or is something wrong with our setup?

Here is my site Read-Only: [LINK][1]