diff --git a/bk.sql b/bk.sql
index 4e3cdd7..e4c7a9a 100644
--- a/bk.sql
+++ b/bk.sql
@@ -14,7 +14,6 @@
 /*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;
 /*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;
 /*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;
-g
 --
 -- Table structure for table `bot_method_invalid`
 --
@@ -927,7 +926,7 @@ INSERT INTO `error_descriptions` VALUES
 ('SENSITIVE_CHANGE_FORBIDDEN','You can\'t change your sensitive content settings.'),
 ('SESSION_PASSWORD_NEEDED','2FA is enabled, use a password to login'),
 ('SESSION_TOO_FRESH_%d','This session was created less than 24 hours ago, try again in %d seconds'),
-i('SETTINGS_INVALID','Invalid settings were provided'),
+('SETTINGS_INVALID','Invalid settings were provided'),
 ('SHA256_HASH_INVALID','The provided SHA256 hash is invalid'),
 ('SHORT_NAME_INVALID','The specified short name is invalid'),
 ('SHORT_NAME_OCCUPIED','The specified short name is already in use'),
@@ -2691,7 +2690,7 @@ INSERT INTO `errors` VALUES
 ('USER_BANNED_IN_CHANNEL','messages.sendMedia',400),
 ('USER_BANNED_IN_CHANNEL','messages.sendMessage',400),
 ('USER_BANNED_IN_CHANNEL','messages.sendMultiMedia',400),
-t('USER_BANNED_IN_CHANNEL','messages.sendReaction',400),
+('USER_BANNED_IN_CHANNEL','messages.sendReaction',400),
 ('USER_BANNED_IN_CHANNEL','messages.setTyping',400),
 ('USER_BANNED_IN_CHANNEL','messages.updatePinnedMessage',400),
 ('USER_BANNED_IN_CHANNEL','messages.uploadMedia',400),
diff --git a/server.php b/server.php
index 0a64c1b..f83e3bd 100644
--- a/server.php
+++ b/server.php
@@ -4,4 +4,4 @@ chdir(__DIR__);
 
 require __DIR__.'/vendor/autoload.php';
 
-(new Main)->run($argv[1] === 'serve');
\ No newline at end of file
+(new Main)->run(($argv[1] ?? '') === 'serve');
\ No newline at end of file
diff --git a/src/Main.php b/src/Main.php
index 64133e4..bd3d17b 100644
--- a/src/Main.php
+++ b/src/Main.php
@@ -334,7 +334,7 @@ final class Main implements RequestHandler
         $code = $request->getQueryParameter('code') ?? $form->getValue('code');
         $method = $request->getQueryParameter('method') ?? $form->getValue('method');
         if ($error && $code && $method
-            && \is_numeric($_REQUEST['code'])
+            && \is_numeric($code)
             && !RPCErrorException::isBad(
                 $error,
                 (int) $code,