Hello,
Thank you for contacting us and we regret the inconvenience caused.
We noted this issue in our last release, we’ve already released an update with the fix: https://rankmath.com/changelog/#free
Please update to the latest version (v1.0.69.1) and see if you’re able to save the focus keywords properly.
Let us know how that goes.
Thank you.
Hello,
Since we did not hear back from you for 15 days, we are assuming that you found the solution. We are closing this support ticket.
If you still need assistance or any other help, please feel free to open a new support ticket, and we will be more than happy to assist.
Thank you.