From b2bd441f42c0da11b57835fad636f4bcc06a3d1f Mon Sep 17 00:00:00 2001
From: Daniil Gentili <daniil@daniil.it>
Date: Thu, 13 Jun 2019 18:11:31 +0200
Subject: [PATCH] Try using null file reference for unknown files

---
 src/danog/MadelineProto/MTProtoTools/ReferenceDatabase.php | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/danog/MadelineProto/MTProtoTools/ReferenceDatabase.php b/src/danog/MadelineProto/MTProtoTools/ReferenceDatabase.php
index 3f09dd78..6845036f 100644
--- a/src/danog/MadelineProto/MTProtoTools/ReferenceDatabase.php
+++ b/src/danog/MadelineProto/MTProtoTools/ReferenceDatabase.php
@@ -539,6 +539,12 @@ class ReferenceDatabase implements TLCallback
                 return $location['file_reference'];
             }
 
+            if (!$this->refresh) {
+                $this->API->logger->logger("Using null file reference for location of type $locationType object {$location['_']}", \danog\MadelineProto\Logger::ULTRA_VERBOSE);
+
+                return 0;
+            }
+
             throw new \danog\MadelineProto\Exception("Could not find file reference for location of type $locationType object {$location['_']}");
         }
         $this->API->logger->logger("Getting file reference for location of type $locationType object {$location['_']}", \danog\MadelineProto\Logger::ULTRA_VERBOSE);