edit

app/shop/lib/Info.php

@@ -219,7 +219,7 @@ class Info
             $data = Dever::db('shop/info')->getOne($id);
         }
 
-        if ($data['city']) {
+        if ($data && isset($data['city']) && $data['city']) {
             $city = Dever::db('area/city')->one($data['city']);
             $data['city_name'] = $city['name'];
         }