Hello,
Thank you for contacting Rank Math support and we apologize for the inconvenience.
This usually happens when a site does not have enough resources to support a crawl. We have a guide that can help: https://rankmath.com/kb/how-to-fix-failed-hostload-exceeded-error/
Please review the guide and let us know if you have any further question.
Regards,
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.