diff --git a/src/danog/MadelineProto/MTProto.php b/src/danog/MadelineProto/MTProto.php
index 9faf34c1..7b730b31 100644
--- a/src/danog/MadelineProto/MTProto.php
+++ b/src/danog/MadelineProto/MTProto.php
@@ -483,7 +483,7 @@ Slv8kg9qv1m6XHVQY3PnEw+QQtqSIXklHwIDAQAB
 
     public function getV()
     {
-        return 5;
+        return 6;
     }
 
     public function get_self()
diff --git a/src/danog/MadelineProto/MTProtoTools/PeerHandler.php b/src/danog/MadelineProto/MTProtoTools/PeerHandler.php
index 129985a2..41bbe208 100644
--- a/src/danog/MadelineProto/MTProtoTools/PeerHandler.php
+++ b/src/danog/MadelineProto/MTProtoTools/PeerHandler.php
@@ -404,9 +404,9 @@ trait PeerHandler
         }
         if (!isset($res['participants']) && isset($res['can_view_participants']) && $res['can_view_participants']) {
             $res['participants'] = [];
-            $limit = 400;
+            $limit = 200;
             $offset = -$limit;
-            $gres = $this->method_call('channels.getParticipants', ['channel' => $full['InputChannel'], 'filter' => ['_' => 'channelParticipantsRecent'], 'offset' => $offset += $limit, 'limit' => 200], ['datacenter' => $this->datacenter->curdc]);
+            $gres = $this->method_call('channels.getParticipants', ['channel' => $full['InputChannel'], 'filter' => ['_' => 'channelParticipantsRecent'], 'offset' => $offset += $limit, 'limit' => $limit], ['datacenter' => $this->datacenter->curdc]);
             $count = $gres['count'];
             $key = -1;
             while ($offset <= $count) {
diff --git a/src/danog/MadelineProto/TL/Conversion/BotAPI.php b/src/danog/MadelineProto/TL/Conversion/BotAPI.php
index c466b32a..eaf97b6c 100644
--- a/src/danog/MadelineProto/TL/Conversion/BotAPI.php
+++ b/src/danog/MadelineProto/TL/Conversion/BotAPI.php
@@ -322,9 +322,10 @@ trait BotAPI
             } else {
                 $res['file_name'] .= $this->get_extension_from_mime($data['document']['mime_type']);
             }
+            $data['document']['_'] = 'bot_'.$type_name;
             $res['file_size'] = $data['document']['size'];
             $res['mime_type'] = $data['document']['mime_type'];
-            $res['file_id'] = $this->base64url_encode($this->rle_encode($this->serialize_object(['type' => 'bot_'.$type_name], $data['document']).chr(2)));
+            $res['file_id'] = $this->base64url_encode($this->rle_encode($this->serialize_object(['type' => 'File'], $data['document']).chr(2)));
 
             return [$type_name => $res, 'caption' => $data['caption']];
             default:
diff --git a/src/danog/MadelineProto/TL/Conversion/BotAPIFiles.php b/src/danog/MadelineProto/TL/Conversion/BotAPIFiles.php
index 66d9ad70..be8f61f1 100644
--- a/src/danog/MadelineProto/TL/Conversion/BotAPIFiles.php
+++ b/src/danog/MadelineProto/TL/Conversion/BotAPIFiles.php
@@ -68,9 +68,8 @@ trait BotAPIFiles
         $ext = $this->get_extension_from_location(['_' => 'inputFileLocation', 'volume_id' => $photo['location']['volume_id'], 'local_id' => $photo['location']['local_id'], 'secret' => $photo['location']['secret'], 'dc_id' => $photo['location']['dc_id']], '.jpg');
         $photo['location']['access_hash'] = isset($message_media['access_hash']) ? $message_media['access_hash'] : 0;
         $photo['location']['id'] = isset($message_media['id']) ? $message_media['id'] : 0;
-
-        $data = $this->serialize_object(['type' => $thumbnail ? 'bot_thumbnail' : 'bot_photo'], $photo['location']).chr(2);
-
+        $photo['location']['_'] = $thumbnail ? 'bot_thumbnail' : 'bot_photo';
+        $data = $this->serialize_object(['type' => 'File'], $photo['location']).chr(2);
         return [
             'file_id'   => $this->base64url_encode($this->rle_encode($data)),
             'width'     => $photo['w'],
diff --git a/src/danog/MadelineProto/TL/TL.php b/src/danog/MadelineProto/TL/TL.php
index 45ccb1a9..115fdef9 100644
--- a/src/danog/MadelineProto/TL/TL.php
+++ b/src/danog/MadelineProto/TL/TL.php
@@ -119,11 +119,12 @@ trait TL
                         '',
                         '', ], $line);
                     $id = hash('crc32b', $clean);
-                    if (preg_match('/^[^\s]+#/', $line) && $scheme_type !== 'botAPI') {
+                    if (preg_match('/^[^\s]+#/', $line)) {
                         $nid = str_pad(preg_replace(['/^[^#]+#/', '/\s.+/'], '', $line), 8, '0', \STR_PAD_LEFT);
-                        if ($id !== $nid) {
+                        if ($id !== $nid && $scheme_type !== 'botAPI') {
                             \danog\MadelineProto\Logger::log(['CRC32 mismatch ('.$id.', '.$nid.') for '.$line], \danog\MadelineProto\Logger::ERROR);
                         }
+                        $id = $nid;
                     }
                     if (!is_null($e)) {
                         $this->td_descriptions[$type][$name] = ['description' => $e, 'params' => $dparams];