500 Internal Server Error

Causes of server errors: .htaccess, PHP and permissions.

Troubleshooting ~1 min read Updated: 30.09.2026

An error in .htaccess: temporarily rename the file (e.g. .htaccess_old) and check the site.
PHP error: check the site’s Error Log in DirectAdmin — the last lines show the cause.
Incompatible PHP version: choose a PHP version your site supports.
File permissions: folders should be 755 and files 644.
Memory limit: increase the memory_limit value.

To see the error in WordPress, temporarily add define('WP_DEBUG', true); to wp-config.php, then set it back to false.

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