I created a simple custom field with a text field. On a page, the text is saved but it's not saved when the page is the frontpage.
I deleted the custom field and created a new one, but same issue. What is going on? It looks like the field is not saved at all when the page is the frontpage. I tried with different type of field, same issues.
I use Metabox AIO version 1.15.6 with WP 5.9.
I activated WP debug but no error show up.