thank you very much for the fast and helpful answer. You’re right, the post ID’s were the same and somehow the cache was the root of the issue. I was now able to fix it by using wp_cache_delete($post_id, 'post_meta');.
Cheers and best regards,
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ACF PRO’s Flexible Content field allows you to create smaller pieces of UI and compose them into whole flexible patterns. In our latest article, we show how to use it to create swappable site sections and integrate it all in a theme.https://t.co/ZRocH8oJSp