Installation error: (HttpNotFoundException)

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Slim 4 - HttpNotFoundException

Here is how I made it sing: root folder in apache24/htdocs/ accessible as localhost/ slim in localhost/vendor project in localhost/ .htaccess in root folder (localhost/) RewriteEngine On RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^ index.php [QSA,L] index.php in root folder <?php use Slim\Factory\AppFactory; use Psr\Http\Message\ServerRequestInterface as Request; use Psr\Http\Message\ResponseInterface as Response; require __DIR__ . '/…