Please help, I have changed the page to:https://www.hoteladler.it/en/winter-holidays-dolomites/
Here are the settings in Polylang:
Permalinks are set to: Post name, a static front page is in use.
Default language: Italian,
URL modifications: The language is set from the directory name in pretty permalinks
checked: Remove /language/ in pretty permalinks
checked: The front page url contains the language code instead of the page name or page id
Detect browser language: When the front page is visited, set the language according to the browser preference
Media: Activate languages and translations for media
Custom taxonomies (all checked) Portfolio, Categories, Testimonials, Categories, Sliders, Carousels
Synchronization (all checked)Taxonomies, Comment status, Ping status, Sticky posts, Published date, Post format, Page parent, Page template, Page order, Featured image
not checked: Custom fields