also experiencing the same issue out of nowhere. what’s stranger is that this is on a multisite, with dozens of sites. all but one function. they use the same themes, they use the same servers, databases, etc. the issue is only on one of the sites. i looked into the max_inputs_vars and added php.ini directives for that.
old values get erased, new custom fields don’t get saved.
this only happens on one specific site of the multisite, all other sites using the same theme don’t have that problem.
i tried to switch themes on the problematic site, and it saved.
i am not sure where to look exactly to solve this problem, although I understand it may be something we did in our custom theme that’s breaking – if you have a way to help me find out what is breaking i can try to fix it 😉
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