Ivory Search admin ajax-403

I hope you are well today and thank you for your question.

Could you please share your site URL where it’s happening so that I can troubleshoot it?

Are you using any cache system on your website?

If yes then please try deactivating it or using the solution shared on the below page.

https://wordpress.org/support/topic/cause-admin-ajax-php-403-forbidden/

Also, you can resolve the 403 forbidden error as described on the below pages.

https://www.wpbeginner.com/wp-tutorials/how-to-fix-the-403-forbidden-error-in-wordpress/

Getting the 403 Forbidden Error in WordPress? Here’s How to Fix It

Best regards,
Ivory Search Support