only set newtalk for actual users

diff --git a/includes/Article.php b/includes/Article.php
index 9af2d9a..57a1fe0 100644 (file)
--- a/includes/Article.php
+++ b/includes/Article.php
@@ -1997,8 +1997,10 @@ class Article {
                                          $minoredit, $timestamp_of_pagechange);
                                } else {
                                        $other = User::newFromName($shortTitle);
-                                       $other->setNewtalk(1);
-                                       $other->saveNewtalk();
+                                       if ($other) {
+                                               $other->setNewtalk(1);
+                                               $other->saveNewtalk();
+                                       }
                                }
                        }