diff --git a/core/modules/field/field.purge.inc b/core/modules/field/field.purge.inc
index c12a3c56b5..49b5464ca1 100644
--- a/core/modules/field/field.purge.inc
+++ b/core/modules/field/field.purge.inc
@@ -82,19 +82,19 @@ function field_purge_batch($batch_size, $field_storage_uuid = NULL) {
   }
   $fields = entity_load_multiple_by_properties('field_config', $properties);
 
-  $entity_manager = \Drupal::entityTypeManager();
-  $info = $entity_manager->getDefinitions();
+  $entity_type_manager = \Drupal::entityTypeManager();
+  $info = $entity_type_manager->getDefinitions();
   foreach ($fields as $field) {
     $entity_type = $field->getTargetEntityTypeId();
 
     // We cannot purge anything if the entity type is unknown (e.g. the
     // providing module was uninstalled).
     if (!isset($info[$entity_type])) {
-      \Drupal::logger('field')->warning("Cannot remove field because the entity type is unknown: %entity_type", ['%entity_type' => $entity_type]);
+      \Drupal::logger('field')->warning("Cannot remove field @field_name because the entity type is unknown: %entity_type", ['@field_name' => $field->getName(), '%entity_type' => $entity_type]);
       continue;
     }
-    $count_purged = $entity_manager->getStorage($entity_type)->purgeFieldData($field, $batch_size);
 
+    $count_purged = $entity_type_manager->getStorage($entity_type)->purgeFieldData($field, $batch_size);
     if ($count_purged < $batch_size || $count_purged == 0) {
       // No field data remains for the field, so we can remove it.
       field_purge_field($field);