diff --git a/src/danog/MadelineProto/MTProto.php b/src/danog/MadelineProto/MTProto.php
index 9c1ef62f..d114752c 100644
--- a/src/danog/MadelineProto/MTProto.php
+++ b/src/danog/MadelineProto/MTProto.php
@@ -717,7 +717,7 @@ class MTProto extends \Volatile
 
     public function getV()
     {
-        return 36;
+        return 37;
     }
 
     public function get_self()
diff --git a/src/danog/MadelineProto/TL/TL.php b/src/danog/MadelineProto/TL/TL.php
index fb9c9778..9fc6432c 100644
--- a/src/danog/MadelineProto/TL/TL.php
+++ b/src/danog/MadelineProto/TL/TL.php
@@ -544,7 +544,7 @@ trait TL
                 $id = stream_get_contents($stream, 4);
                 $constructorData = $this->constructors->find_by_id($id);
                 if ($constructorData === false) {
-                    throw new Exception('Could not extract type: '.$type['type'].' with id '.$id);
+                    throw new Exception('Could not extract type: '.$type['type'].' with id '.bin2hex(strrev($id)));
                 }
                 switch ($constructorData['predicate']) {
                     case 'gzip_packed':
@@ -577,7 +577,7 @@ trait TL
                 $id = stream_get_contents($stream, 4);
                 $constructorData = $this->constructors->find_by_id($id);
                 if ($constructorData === false) {
-                    throw new Exception('Could not extract type: '.$type['type'].' with id '.$id);
+                    throw new Exception('Could not extract type: '.$type['type'].' with id '.bin2hex(strrev($id)));
                 }
             }
         }
diff --git a/src/danog/MadelineProto/TL_secret.tl b/src/danog/MadelineProto/TL_secret.tl
index 17d280aa..3e0c5c16 100644
--- a/src/danog/MadelineProto/TL_secret.tl
+++ b/src/danog/MadelineProto/TL_secret.tl
@@ -63,4 +63,8 @@ decryptedMessageMediaDocument#7afe8ae2 thumb:bytes thumb_w:int thumb_h:int mime_
 
 ===46===
 decryptedMessageMediaVenue#8a0df56f lat:double long:double title:string address:string provider:string venue_id:string = DecryptedMessageMedia;
+documentAttributeAudio#ded218e0 duration:int title:string performer:string = DocumentAttribute;
 decryptedMessageMediaWebPage#e50511d8 url:string = DecryptedMessageMedia;
+
+===55===
+documentAttributeSticker#3a556302 alt:string stickerset:InputStickerSet = DocumentAttribute;