Merge pull request #672 from metaliciouz/patch-1

Update error-handling.md

docs/v4/middleware/error-handling.md

@@ -44,7 +44,6 @@ You can now map custom handlers for any type of Exception or Throwable.
 use Psr\Http\Message\ServerRequestInterface;
 use Psr\Log\LoggerInterface;
 use Slim\Factory\AppFactory;
-use Slim\Psr7\Response;
 
 require __DIR__ . '/../vendor/autoload.php';
 
@@ -62,7 +61,9 @@ $customErrorHandler = function (
     bool $logErrorDetails,
     ?LoggerInterface $logger = null
 ) use ($app) {
-    $logger->error($exception->getMessage());
+    if ($logger) {
+        $logger->error($exception->getMessage());
+    }
 
     $payload = ['error' => $exception->getMessage()];
 
@@ -235,7 +236,7 @@ The base class `HttpSpecializedException` extends `Exception` and comes with the
 
 You can extend the `HttpSpecializedException` class if they need any other response codes that we decide not to provide with the base repository. Example if you wanted a 504 gateway timeout exception that behaves like the native ones you would do the following:
 ```php
-class HttpForbiddenException extends HttpSpecializedException
+class HttpGatewayTimeoutException extends HttpSpecializedException
 {
     protected $code = 504;
     protected $message = 'Gateway Timeout.';