Issue #2374339 by benjy, chx: FieldConfigBase::calculateDependencies() fatal error is unhelpful

core/lib/Drupal/Core/Field/FieldConfigBase.php

@@ -13,6 +13,7 @@
 use Drupal\Core\Entity\EntityStorageInterface;
 use Drupal\Core\Entity\FieldableEntityInterface;
 use Drupal\Core\Field\TypedData\FieldItemDataDefinition;
+use Drupal\Component\Utility\String;
 
 /**
  * Base class for configurable field definitions.
@@ -248,7 +249,9 @@ public function calculateDependencies() {
     // depend on the bundle entity.
     $bundle_entity_type_id = $this->entityManager()->getDefinition($this->entity_type)->getBundleEntityType();
     if ($bundle_entity_type_id != 'bundle') {
-      $bundle_entity = $this->entityManager()->getStorage($bundle_entity_type_id)->load($this->bundle);
+      if (!$bundle_entity = $this->entityManager()->getStorage($bundle_entity_type_id)->load($this->bundle)) {
+        throw new \LogicException(String::format('Missing bundle entity, entity type %type, entity id %bundle.', array('%type' => $bundle_entity_type_id, '%id' => $this->bundle)));
+      }
       $this->addDependency('config', $bundle_entity->getConfigDependencyName());
     }
     return $this->dependencies;