[ad_1]
Hello @jeriss,
Thank you for contacting Rank Math support.
Please check if you have a firewall, as there are chances that it will prevent saving the data. Please try whitelisting this route:/wp-json/rankmath/v1/updateMeta
For more information and troubleshooting steps, this KB may help:
https://rankmath.com/kb/meta-data-not-saving/
We really look forward to helping you.