diff --git a/core/modules/media/media.install b/core/modules/media/media.install
index 83b6a35c..a828c82a 100644
--- a/core/modules/media/media.install
+++ b/core/modules/media/media.install
@@ -135,39 +135,42 @@ function media_requirements($phase) {
       // Load the default display.
       $display = \Drupal::service('entity_display.repository')
         ->getViewDisplay('media', $type->id());
+      if ($type->getSource()) {
+        $source_field_definition = $type->getSource()->getSourceFieldDefinition($type);
+        if ($source_field_definition) {
+          if (!is_a($source_field_definition->getItemDefinition()->getClass(), ImageItem::class, TRUE)) {
+            continue;
+          }

-      $source_field_definition = $type->getSource()->getSourceFieldDefinition($type);
-      if (!is_a($source_field_definition->getItemDefinition()->getClass(), ImageItem::class, TRUE)) {
-        continue;
-      }
-
-      $component = $display->getComponent($source_field_definition->getName());
-      if (empty($component) || $component['type'] !== 'image' || !empty($component['settings']['image_style'])) {
-        continue;
-      }
+          $component = $display->getComponent($source_field_definition->getName());
+          if (empty($component) || $component['type'] !== 'image' || !empty($component['settings']['image_style'])) {
+            continue;
+          }

-      $action_item = '';
-      if ($module_handler->moduleExists('field_ui') && \Drupal::currentUser()->hasPermission('administer media display')) {
-        $url = Url::fromRoute('entity.entity_view_display.media.default', [
-          'media_type' => $type->id(),
-        ])->toString();
-        $action_item = new TranslatableMarkup('If you would like to change this, <a href=":display">add an image style to the %field_name field</a>.',
-          [
-            '%field_name' => $source_field_definition->label(),
-            ':display' => $url,
-          ]);
+          $action_item = '';
+          if ($module_handler->moduleExists('field_ui') && \Drupal::currentUser()->hasPermission('administer media display')) {
+            $url = Url::fromRoute('entity.entity_view_display.media.default', [
+              'media_type' => $type->id(),
+            ])->toString();
+            $action_item = new TranslatableMarkup('If you would like to change this, <a href=":display">add an image style to the %field_name field</a>.',
+              [
+                '%field_name' => $source_field_definition->label(),
+                ':display' => $url,
+              ]);
+          }
+          $requirements['media_default_image_style_' . $type->id()] = [
+            'title' => t('Media'),
+            'description' => new TranslatableMarkup('The default display for the %type media type is not currently using an image style on the %field_name field. Not using an image style can lead to much larger file downloads. @action_item',
+              [
+                '%field_name' => $source_field_definition->label(),
+                '@action_item' => $action_item,
+                '%type' => $type->label(),
+              ]
+            ),
+            'severity' => REQUIREMENT_WARNING,
+          ];
+        }
       }
-      $requirements['media_default_image_style_' . $type->id()] = [
-        'title' => t('Media'),
-        'description' => new TranslatableMarkup('The default display for the %type media type is not currently using an image style on the %field_name field. Not using an image style can lead to much larger file downloads. @action_item',
-          [
-            '%field_name' => $source_field_definition->label(),
-            '@action_item' => $action_item,
-            '%type' => $type->label(),
-          ]
-        ),
-        'severity' => REQUIREMENT_WARNING,
-      ];
     }

   }