Issue #3303102 by Primsi: Undefined array key "X-Ratelimit-Limit" error

src/Plugin/EntityBrowser/Widget/PexelsWidget.php

@@ -410,10 +410,15 @@ class PexelsWidget extends WidgetBase {
         $results = $this->pexelsClient
           ->setApiKey($this->configuration['api_key'])
           ->search($input['keyword'], $this->defaultPerPage, $page, $input['orientation'] ?: '', $input['color'] ?: '');
+
+        if (!isset($results['contents'])) {
+          throw new \Exception('Result contents were empty.');
+        }
+
         $search_results = $results['contents'];
       }
       catch (\Exception $e) {
-        $this->messenger()->addError('There was an error while fetching the results. Please contact the system administrator.');
+        $this->messenger()->addError($this->t('There was an error while fetching the results. Please contact the system administrator.'));
         $this->loggerFactory->get('media_pexels')->error($e->getMessage());
         return $form;
       }