diff -u b/core/modules/migrate/src/Plugin/migrate/destination/EntityConfigBase.php b/core/modules/migrate/src/Plugin/migrate/destination/EntityConfigBase.php
--- b/core/modules/migrate/src/Plugin/migrate/destination/EntityConfigBase.php
+++ b/core/modules/migrate/src/Plugin/migrate/destination/EntityConfigBase.php
@@ -124,7 +124,7 @@
     // This is a translation if the language in the active config matches the
     // language of this row.
     $translation = FALSE;
-    if ($row->hasDestinationProperty('langcode')) {
+    if ($row->hasDestinationProperty('langcode') && $this->languageManager instanceof ConfigurableLanguageManagerInterface)  {
       $config = $entity->getConfigDependencyName();
       $langcode = \Drupal::config($config)->get('langcode');
       if ($langcode != $row->getDestinationProperty('langcode')) {