From 9f90c04a165c2142b1f0e5e2bfcc0dab4658c3c5 Mon Sep 17 00:00:00 2001
From: Axel Rutz <axel.rutz@clever-systems.net>
Date: Tue, 2 Aug 2016 21:27:08 +0200
Subject: [PATCH] Issue #2777915: WSOD: Class
 'Drupal\\Component\\Utility\\String' not found

---
 lib/Drupal/Core/Render/Element.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Drupal/Core/Render/Element.php b/lib/Drupal/Core/Render/Element.php
index eed5c30..eb1a784 100644
--- a/lib/Drupal/Core/Render/Element.php
+++ b/lib/Drupal/Core/Render/Element.php
@@ -90,7 +90,7 @@ class Element {
         // Only trigger an error if the value is not null.
         // @see http://drupal.org/node/1283892
         elseif (isset($value)) {
-          trigger_error(String::format('"@key" is an invalid render array key', array('@key' => $key)), E_USER_ERROR);
+          trigger_error(format_string('"@key" is an invalid render array key', array('@key' => $key)), E_USER_ERROR);
         }
       }
     }
-- 
2.7.4

