my focous keyword is getting remove every day automatic

Hello,

Thank you for contacting Rank Math and bringing your concern to our attention. I’m sorry for any inconvenience this issue may have caused you.

If the changes are not saving while using Rank Math, please check if you have any firewall as there are chances that it will prevent saving the data.

Here’s a link for more information and troubleshooting steps:
https://rankmath.com/kb/meta-data-not-saving/

I hope that helps.

Thank you.