Hi. I have the same problem on 5 of my sites.
Wordpress: 6.6.2
ACF PRO: 6.3.10
PHP: 8.3.12
Hi. The same thing happens on 5 of my sites.
I’m not using Multi-site.
It’s been happening for some time now but I couldn’t find a solution yet.
I’m curious, do you have any hook to save_post action?