diff --git a/src/danog/MadelineProto/MTProtoTools/MessageHandler.php b/src/danog/MadelineProto/MTProtoTools/MessageHandler.php
index 7147a9ee..72bef71b 100644
--- a/src/danog/MadelineProto/MTProtoTools/MessageHandler.php
+++ b/src/danog/MadelineProto/MTProtoTools/MessageHandler.php
@@ -121,7 +121,7 @@ trait MessageHandler
         } else {
             throw new \danog\MadelineProto\SecurityException('Got unknown auth_key id');
         }
-        $deserialized = $this->deserialize($message_data, ['type' => '']);
+        $deserialized = $this->deserialize($message_data, ['type' => '', 'datacenter' => $datacenter]);
         $this->datacenter->sockets[$datacenter]->incoming_messages[$message_id]['content'] = $deserialized;
         $this->datacenter->sockets[$datacenter]->incoming_messages[$message_id]['response'] = -1;
         $this->datacenter->sockets[$datacenter]->new_incoming[$message_id] = $message_id;
diff --git a/src/danog/MadelineProto/MTProtoTools/SeqNoHandler.php b/src/danog/MadelineProto/MTProtoTools/SeqNoHandler.php
index 03535d3c..79c38995 100644
--- a/src/danog/MadelineProto/MTProtoTools/SeqNoHandler.php
+++ b/src/danog/MadelineProto/MTProtoTools/SeqNoHandler.php
@@ -28,7 +28,7 @@ trait SeqNoHandler
 
     public function check_in_seq_no($datacenter, $current_msg_id)
     {
-        if (isset($this->datacenter->sockets[$datacenter]->incoming_messages[$current_msg_id]['seq_no']) && ($seq_no = $this->generate_in_seq_no($datacenter, $this->content_related($this->datacenter->sockets[$datacenter]->incoming_messages[$current_msg_id]['content']['_']))) !== $this->datacenter->sockets[$datacenter]->incoming_messages[$current_msg_id]['seq_no']) {
+        if (isset($this->datacenter->sockets[$datacenter]->incoming_messages[$current_msg_id]['seq_no']) && ($seq_no = $this->generate_in_seq_no($datacenter, $this->content_related($this->datacenter->sockets[$datacenter]->incoming_messages[$current_msg_id]['content']))) !== $this->datacenter->sockets[$datacenter]->incoming_messages[$current_msg_id]['seq_no']) {
             \danog\MadelineProto\Logger::log(['SECURITY WARNING: Seqno mismatch (should be '.$seq_no.', is '.$this->datacenter->sockets[$datacenter]->incoming_messages[$current_msg_id]['seq_no'].', '.$this->datacenter->sockets[$datacenter]->incoming_messages[$current_msg_id]['content']['_'].')'], \danog\MadelineProto\Logger::ERROR);
         }
     }
@@ -44,9 +44,9 @@ trait SeqNoHandler
 
     public function content_related($method)
     {
-        //var_dump($method);
-        return !in_array(
-            $method,
+        
+        return isset($method['_']) ? !in_array(
+            $method['_'],
             [
                 'rpc_result',
 //                'rpc_error',
@@ -79,6 +79,6 @@ trait SeqNoHandler
                 'msg_resend_req',
                 'msg_resend_ans_req',
             ]
-        );
+        ) : true;
     }
 }
diff --git a/src/danog/MadelineProto/TL/TL.php b/src/danog/MadelineProto/TL/TL.php
index 15893d0f..bb45fc7d 100644
--- a/src/danog/MadelineProto/TL/TL.php
+++ b/src/danog/MadelineProto/TL/TL.php
@@ -500,7 +500,7 @@ trait TL
                 }
                 switch ($constructorData['predicate']) {
                     case 'gzip_packed':
-                        return $this->deserialize(gzdecode($this->deserialize($bytes_io, ['type' => 'bytes'])));
+                        return $this->deserialize(gzdecode($this->deserialize($bytes_io, ['type' => 'bytes', 'datacenter' => $type['datacenter']])), ['type' => '', 'datacenter' => $type['datacenter']]);
                     case 'Vector t':
                     case 'vector':
                         break;
@@ -534,7 +534,15 @@ trait TL
             }
         }
         if ($constructorData['predicate'] === 'gzip_packed') {
-            return $this->deserialize(gzdecode($this->deserialize($bytes_io, ['type' => 'bytes'])));
+            if (!isset($type['subtype'])) $type['subtype'] = '';
+            return $this->deserialize(gzdecode($this->deserialize($bytes_io, ['type' => 'bytes'])), ['type' => '', 'datacenter' => $type['datacenter'], 'subtype' => $type['subtype']]);
+        }
+        if ($constructorData['type'] === 'Vector t') {
+        
+            $constructorData['datacenter'] = $type['datacenter'];
+            $constructorData['subtype'] = $type['subtype'];
+            $constructorData['type'] = 'vector';
+            return $this->deserialize($bytes_io, $constructorData);
         }
         $x = ['_' => $constructorData['predicate']];
         foreach ($constructorData['params'] as $arg) {
@@ -561,6 +569,12 @@ trait TL
             if (in_array($arg['name'], ['msg_ids', 'msg_id', 'bad_msg_id', 'req_msg_id', 'answer_msg_id', 'first_msg_id', 'key_fingerprint', 'server_salt', 'new_server_salt', 'server_public_key_fingerprints', 'ping_id', 'exchange_id'])) {
                 $arg['strlong'] = true;
             }
+            
+            if ($x['_'] === 'rpc_result' && $arg['name'] === 'result' && isset($this->datacenter->sockets[$type['datacenter']]->new_outgoing[$x['req_msg_id']]['type']) && stripos($this->datacenter->sockets[$type['datacenter']]->new_outgoing[$x['req_msg_id']]['type'], '<') !== false) {
+            
+                $arg['subtype'] = preg_replace(['|Vector[<]|', '|[>]|'], '', $this->datacenter->sockets[$type['datacenter']]->new_outgoing[$x['req_msg_id']]['type']);
+            }
+            $arg['datacenter'] = $type['datacenter'];
             $x[$arg['name']] = $this->deserialize($bytes_io, $arg);
             if ($arg['name'] === 'random_bytes') {
                 if (strlen($x[$arg['name']]) < 15) {
diff --git a/tests/testing.php b/tests/testing.php
index ec45a543..475d87ff 100755
--- a/tests/testing.php
+++ b/tests/testing.php
@@ -69,14 +69,16 @@ $message = (getenv('TRAVIS_COMMIT') == '') ? 'I iz works always (io laborare sem
 echo 'Serializing MadelineProto to session.madeline...'.PHP_EOL;
 echo 'Wrote '.\danog\MadelineProto\Serialization::serialize('session.madeline', $MadelineProto).' bytes'.PHP_EOL;
 echo 'Size of MadelineProto instance is '.strlen(serialize($MadelineProto)).' bytes'.PHP_EOL;
-/*
+
+
 $call = $MadelineProto->API->request_call(getenv('TEST_SECRET_CHAT'));
+
 echo 'Waiting for '.getenv('TEST_SECRET_CHAT').' to accept the call...'.PHP_EOL;
 while ($MadelineProto->call_status($call) !== $MadelineProto->API->READY) {
     $MadelineProto->get_updates();
 }
 var_dump($MadelineProto->get_call($call));
-*/
+
 $secret = $MadelineProto->API->request_secret_chat(getenv('TEST_SECRET_CHAT'));
 echo 'Waiting for '.getenv('TEST_SECRET_CHAT').' to accept the secret chat...'.PHP_EOL;
 while ($MadelineProto->secret_chat_status($secret) !== 2) {
@@ -156,9 +158,9 @@ $inputEncryptedFile = $MadelineProto->upload_encrypted('tests/60', 'magic'); //
 var_dump(time() - $time);
 $secret_media['document'] = ['peer' => $secret, 'file' => $inputEncryptedFile, 'message' => ['_' => 'decryptedMessage', 'ttl' => 0, 'message' => '', 'media' => ['_' => 'decryptedMessageMediaDocument', 'thumb' => file_get_contents('tests/faust.preview.jpg'), 'thumb_w' => 90, 'thumb_h' => 90, 'mime_type' => 'magic/magic', 'caption' => 'test', 'key' => $inputEncryptedFile['key'], 'iv' => $inputEncryptedFile['iv'], 'file_name' => 'magic.magic', 'size' => filesize('tests/60'), 'attributes' => [['_' => 'documentAttributeFilename', 'file_name' => 'fairy']]]]];
 
-    foreach ($secret_media as $type => $smessage) {
-        $type = $MadelineProto->messages->sendEncryptedFile($smessage);
-    }
+foreach ($secret_media as $type => $smessage) {
+    $type = $MadelineProto->messages->sendEncryptedFile($smessage);
+}
 foreach (json_decode(getenv('TEST_DESTINATION_GROUPS'), true) as $peer) {
     $sentMessage = $MadelineProto->messages->sendMessage(['peer' => $peer, 'message' => $message, 'entities' => [['_' => 'inputMessageEntityMentionName', 'offset' => 0, 'length' => mb_strlen($message), 'user_id' => $mention]]]);
     \danog\MadelineProto\Logger::log([$sentMessage], \danog\MadelineProto\Logger::NOTICE);