Disabling guternberg with a plugin, then moving the box again to the middle and disabling the plugin works.
Then I add some styles to the wp dashboard to hide the arrows so it doesnt happen again.
This used to work fine before. So its probably related to a WP update.
However its not a “gutenberg issue” but seems like a conflict (or maybe wordpress removed something?) between gutenber and ACF
Setting it to high didnt sort it for me.
Im having the same issue.
Using Guternberg, but U created the fields using the UX instead of php.
All my fields are on the side, instead of the normal position.
I have created a super simple plugin for me to add a simple separator with text and description, to separate sections, as you are asking
Sorry for the spanish pics, is the site im currectly working on.
This is the admin
http://prntscr.com/7poelo
This is how it look in edit post screen
http://prntscr.com/7poevw
And you can get it here
https://www.dropbox.com/s/ig49zhvejnkaqjg/acf-separator.zip?dl=0
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