Setting up debug mode on Drupal 8

  1. First copy sites/example.settings.local.php to default/settings.local.php
  2. Now uncomment the following lines in default/settings.php
    # if (file_exists(__DIR__ . '/settings.local.php')) {
    #   include __DIR__ . '/settings.local.php';
    # }
  3. Now debugging is set. You also can use the following command
    drupal routing:debug <route name>
    This command will give the user information regarding a specific route