diff --git a/src/applications/herald/controller/HeraldTranscriptController.php b/src/applications/herald/controller/HeraldTranscriptController.php
--- a/src/applications/herald/controller/HeraldTranscriptController.php
+++ b/src/applications/herald/controller/HeraldTranscriptController.php
@@ -297,7 +297,9 @@
         default:
           if ($target) {
             foreach ($target as $k => $phid) {
-              $target[$k] = $handles[$phid]->getName();
+              if (isset($handles[$phid])) {
+                $target[$k] = $handles[$phid]->getName();
+              }
             }
             $target = implode("\n", $target);
           } else {