diff --git a/blog/2016/09/11/drupal-8-custom-csv-import/example/custom_csv_import/src/Form/ImportForm.php b/blog/2016/09/11/drupal-8-custom-csv-import/example/custom_csv_import/src/Form/ImportForm.php
index c9c3195..b36f0fb 100644
--- a/blog/2016/09/11/drupal-8-custom-csv-import/example/custom_csv_import/src/Form/ImportForm.php
+++ b/blog/2016/09/11/drupal-8-custom-csv-import/example/custom_csv_import/src/Form/ImportForm.php
@@ -48,21 +48,22 @@ public function buildForm(array $form, FormStateInterface $form_state) {
     # Если загружен файл, отображаем дополнительные элементы формы.
     if (!empty($config->get('fid'))) {
       $file = File::load($config->get('fid'));
-      $created = \Drupal::service('date.formatter')
-        ->format($file->created->value, 'medium');
-
-      $form['file_information'] = [
-        '#markup' => $this->t('This file was uploaded at @created.', ['@created' => $created]),
-      ];
-
-
-      # Добавляем кнопку для начала импорта со своим собственным submit handler.
-      $form['actions']['start_import'] = [
-        '#type' => 'submit',
-        '#value' => $this->t('Start import'),
-        '#submit' => ['::startImport'],
-        '#weight' => 100,
-      ];
+      if ($file) {
+        $created = \Drupal::service('date.formatter')
+          ->format($file->created->value, 'medium');
+
+        $form['file_information'] = [
+          '#markup' => $this->t('This file was uploaded at @created.', ['@created' => $created]),
+        ];
+
+        # Добавляем кнопку для начала импорта со своим собственным submit handler.
+        $form['actions']['start_import'] = [
+          '#type' => 'submit',
+          '#value' => $this->t('Start import'),
+          '#submit' => ['::startImport'],
+          '#weight' => 100,
+        ];
+      }
     }
 
     $form['additional_settings'] = [
@@ -119,8 +120,10 @@ public function submitForm(array &$form, FormStateInterface $form_state) {
       # используем.
       if (!empty($fid_old)) {
         $previous_file = File::load($fid_old);
-        \Drupal::service('file.usage')
-          ->delete($previous_file, 'custom_csv_import', 'config_form', $previous_file->id());
+        if ($previous_file) {
+          \Drupal::service('file.usage')
+            ->delete($previous_file, 'custom_csv_import', 'config_form', $previous_file->id());
+        }
       }
       # Теперь, не важно, был ли старый файл или нет, нам нужно сохранить
       # новый файл.
diff --git a/blog/2016/09/11/drupal-8-custom-csv-import/index.ru.md b/blog/2016/09/11/drupal-8-custom-csv-import/index.ru.md
index 68d69a9..66c8399 100644
--- a/blog/2016/09/11/drupal-8-custom-csv-import/index.ru.md
+++ b/blog/2016/09/11/drupal-8-custom-csv-import/index.ru.md
@@ -590,21 +590,22 @@ public function buildForm(array $form, FormStateInterface $form_state) {
   # Если загружен файл, отображаем дополнительные элементы формы.
   if (!empty($config->get('fid'))) {
     $file = File::load($config->get('fid'));
-    $created = \Drupal::service('date.formatter')
-      ->format($file->created->value, 'medium');
-
-    $form['file_information'] = [
-      '#markup' => $this->t('This file was uploaded at @created.', ['@created' => $created]),
-    ];
+    if ($file) {
+      $created = \Drupal::service('date.formatter')
+        ->format($file->created->value, 'medium');
 
+      $form['file_information'] = [
+        '#markup' => $this->t('This file was uploaded at @created.', ['@created' => $created]),
+      ];
 
-    # Добавляем кнопку для начала импорта со своим собственным submit handler.
-    $form['actions']['start_import'] = [
-      '#type' => 'submit',
-      '#value' => $this->t('Start import'),
-      '#submit' => ['::startImport'],
-      '#weight' => 100,
-    ];
+      # Добавляем кнопку для начала импорта со своим собственным submit handler.
+      $form['actions']['start_import'] = [
+        '#type' => 'submit',
+        '#value' => $this->t('Start import'),
+        '#submit' => ['::startImport'],
+        '#weight' => 100,
+      ];
+    }
   }
 
   $form['additional_settings'] = [
@@ -660,8 +661,10 @@ public function submitForm(array &$form, FormStateInterface $form_state) {
     # используем.
     if (!empty($fid_old)) {
       $previous_file = File::load($fid_old);
-      \Drupal::service('file.usage')
-        ->delete($previous_file, 'custom_csv_import', 'config_form', $previous_file->id());
+      if ($previous_file) {
+        \Drupal::service('file.usage')
+          ->delete($previous_file, 'custom_csv_import', 'config_form', $previous_file->id());
+      }
     }
     # Теперь, не важно, был ли старый файл или нет, нам нужно сохранить
     # новый файл.
diff --git a/blog/2017/03/16/drupal-8-custom-csv-import-optimization/example/custom_csv_import/src/Form/ImportForm.php b/blog/2017/03/16/drupal-8-custom-csv-import-optimization/example/custom_csv_import/src/Form/ImportForm.php
index 6d887b8..c199284 100644
--- a/blog/2017/03/16/drupal-8-custom-csv-import-optimization/example/custom_csv_import/src/Form/ImportForm.php
+++ b/blog/2017/03/16/drupal-8-custom-csv-import-optimization/example/custom_csv_import/src/Form/ImportForm.php
@@ -67,28 +67,30 @@ public function buildForm(array $form, FormStateInterface $form_state) {
     # Если загружен файл, отображаем дополнительные элементы формы.
     if (!empty($config->get('fid'))) {
       $file = File::load($config->get('fid'));
-      $created = \Drupal::service('date.formatter')
-        ->format($file->created->value, 'medium');
-
-      $form['file_information'] = [
-        '#markup' => $this->t('This file was uploaded at @created.', ['@created' => $created]),
-      ];
-
-      $form['import_plugin'] = [
-        '#title' => $this->t('Select content type to import'),
-        '#type' => 'select',
-        '#options' => $this->getPluginList(),
-        '#empty_option' => '- Select -',
-      ];
-
-      # Добавляем кнопку для начала импорта со своим собственным submit handler.
-      $form['actions']['start_import'] = [
-        '#type' => 'submit',
-        '#value' => $this->t('Start import'),
-        '#submit' => ['::startImport'],
-        '#weight' => 100,
-        '#name' => 'start_import',
-      ];
+      if ($file) {
+        $created = \Drupal::service('date.formatter')
+          ->format($file->created->value, 'medium');
+  
+        $form['file_information'] = [
+          '#markup' => $this->t('This file was uploaded at @created.', ['@created' => $created]),
+        ];
+  
+        $form['import_plugin'] = [
+          '#title' => $this->t('Select content type to import'),
+          '#type' => 'select',
+          '#options' => $this->getPluginList(),
+          '#empty_option' => '- Select -',
+        ];
+  
+        # Добавляем кнопку для начала импорта со своим собственным submit handler.
+        $form['actions']['start_import'] = [
+          '#type' => 'submit',
+          '#value' => $this->t('Start import'),
+          '#submit' => ['::startImport'],
+          '#weight' => 100,
+          '#name' => 'start_import',
+        ];
+      }
     }
 
     $form['additional_settings'] = [
@@ -162,8 +164,10 @@ public function submitForm(array &$form, FormStateInterface $form_state) {
       # используем.
       if (!empty($fid_old)) {
         $previous_file = File::load($fid_old);
-        \Drupal::service('file.usage')
-          ->delete($previous_file, 'custom_csv_import', 'config_form', $previous_file->id());
+        if ($previous_file) {
+          \Drupal::service('file.usage')
+            ->delete($previous_file, 'custom_csv_import', 'config_form', $previous_file->id());
+        }
       }
       # Теперь, не важно, был ли старый файл или нет, нам нужно сохранить
       # новый файл.