Patch from #3277238-29

Closes #3277238

core/modules/taxonomy/src/Entity/Term.php

@@ -253,7 +253,7 @@ public function setFormat($format) {
    * {@inheritdoc}
    */
   public function getName() {
-    return $this->label();
+    return $this->label() ?? '';
   }
 
   /**