An error with a status code of 500 is an internal error. So there is something wrong with your theme. Your server logs should give you the error. You can find out how to access them from your server hoster. Please take a screenshot of them and update your question.
I can’t change version of PHP
How do I see logs of critical errors of specific pages without enabling public debug for everyone?
There are many problems here. Resolving one leads to another. Uncaught ReferenceError: response is not defined In your JavaScript code, you set the success key to a function function (data) { $(“#result”).html(response); } response is not defined. The callback has a function parameter of data, not response. This causes the error. .html(…) sets the HTML … Read more
Internal server issue while generating the access token
Internal server error when enabling Multisite in WordPress
My websit dosent worke http errors 500
I reverted back to PHP 7.4 and that fixed the issue… now need to work with my developer on successfully upgrading to 8.0
500 error for regular users, not for admin
Unable to log in: “Cannot serve directory www/wordpress/wp-includes/ No matching DirectoryIndex”