500 HTTP Internal Server Error

First of all, increase the memory limit in your WP configuration: https://www.wpbeginner.com/wp-tutorials/fix-wordpress-memory-exhausted-error-increase-php-memory/ 

Also, make sure that your server is running at a minimum of 7.4 PHP version. 

If not – contact your hosting provider and ask them to switch the PHP version to 7.4+ 

Besides please read this manual about how to fix this issue: https://www.wpbeginner.com/wp-tutorials/how-to-fix-the-internal-server-error-in-wordpress/ 

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