Can't access site after manually updating WordPress

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Http error 500

When trying to access your website, you may see a page which returns the status code “500”. In Google Chrome, you’ll see a page with the error code HTTP ERROR 500. There are typically two reasons which can cause this error: The PHP code has crashed. The .htaccess file contains invalid rules. Here are some things you can try to debug and fix this. Fixing crashing PHP code A HTTP ERROR 500 simply tells you that the PHP code has crashed, but gives no information as to why it has crashed. Gett…