diff -u b/core/modules/migrate/src/Plugin/migrate/destination/Entity.php b/core/modules/migrate/src/Plugin/migrate/destination/Entity.php --- b/core/modules/migrate/src/Plugin/migrate/destination/Entity.php +++ b/core/modules/migrate/src/Plugin/migrate/destination/Entity.php @@ -98,7 +98,7 @@ * The entity bundle - empty string if the bundle was omitted. */ protected function getEntityBundleId() { - return $this->configuration['bundle'] ?: ''; + return isset($this->configuration['bundle']) ? $this->configuration['bundle'] : ''; } /**