diff --git a/psalm.xml b/psalm.xml
index 3c327d44e..2ae5ec7ae 100644
--- a/psalm.xml
+++ b/psalm.xml
@@ -19,6 +19,7 @@
         <directory name="src" />
         <ignoreFiles>
             <directory name="vendor" />
+            <directory name="src/RPCError" />
             <file name="src/TL/TLParser.php" />
             <file name="src/InternalDoc.php" />
             <file name="src/TL/SecretTLParser.php" />
diff --git a/src/RPCError/FileReference*Error.php b/src/RPCError/FileReference*Error.php
deleted file mode 100644
index aa6e6a10d..000000000
--- a/src/RPCError/FileReference*Error.php
+++ /dev/null
@@ -1,30 +0,0 @@
-<?php declare(strict_types=1);
-/**
- * FileReference*Error error.
- *
- * This file is part of MadelineProto.
- * MadelineProto is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
- * MadelineProto is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- * See the GNU Affero General Public License for more details.
- * You should have received a copy of the GNU General Public License along with MadelineProto.
- * If not, see <http://www.gnu.org/licenses/>.
- *
- * @author    Daniil Gentili <daniil@daniil.it>
- * @copyright 2016-2024 Daniil Gentili <daniil@daniil.it>
- * @license   https://opensource.org/licenses/AGPL-3.0 AGPLv3
- * @link https://docs.madelineproto.xyz MadelineProto documentation
- */
-
-namespace danog\MadelineProto\RPCError;
-
-use danog\MadelineProto\RPCErrorException;
-
-/**
- * The file reference expired, it [must be refreshed](https://core.telegram.org/api/file_reference).
- */
-final class FileReference*Error extends RPCErrorException
-{
-    public function __construct(string $caller, ?\Exception $previous = null) {
-        parent::__construct('FILE_REFERENCE_*', 400, $caller, $previous);
-    }
-}
\ No newline at end of file
diff --git a/src/RPCErrorException.php b/src/RPCErrorException.php
index f980bd417..4e5b30362 100644
--- a/src/RPCErrorException.php
+++ b/src/RPCErrorException.php
@@ -216,7 +216,7 @@ class RPCErrorException extends \Exception
         ?\Exception $previous = null
     ): self {
         // Start match
-        match ($rpc) {
+        return match ($rpc) {
             'ABOUT_TOO_LONG' => new \danog\MadelineProto\RPCError\AboutTooLongError($caller, $previous),
             'ACCESS_TOKEN_EXPIRED' => new \danog\MadelineProto\RPCError\AccessTokenExpiredError($caller, $previous),
             'ACCESS_TOKEN_INVALID' => new \danog\MadelineProto\RPCError\AccessTokenInvalidError($caller, $previous),
diff --git a/src/TL/PrettyException.php b/src/TL/PrettyException.php
index 760c7b19a..ca60d7d51 100644
--- a/src/TL/PrettyException.php
+++ b/src/TL/PrettyException.php
@@ -58,7 +58,7 @@ trait PrettyException
      * @param string $init  Method name
      * @param array  $trace Async trace
      */
-    public function prettifyTL(string $init, ?array $trace = null): void
+    public function prettifyTL(string $init = '', ?array $trace = null): void
     {
         $this->method = $init;
         $previous_trace = $this->tlTrace;
diff --git a/tools/build_docs.php b/tools/build_docs.php
index e58e172c5..7be1c6877 100755
--- a/tools/build_docs.php
+++ b/tools/build_docs.php
@@ -41,6 +41,9 @@ chdir($d=__DIR__.'/..');
 
 require 'vendor/autoload.php';
 
+`rm -r src/RPCError/*`;
+`git checkout src/RPCError/FloodWaitError.php`;
+
 $map = [];
 
 $year = date('Y');
@@ -98,7 +101,7 @@ foreach ($errors['result'] as $code => $sub) {
 
 $err = file_get_contents('src/RPCErrorException.php');
 $err = preg_replace_callback('|// Start match.*// End match|sim', static function ($matches) use ($map) {
-    $data = "match (\$rpc) {\n";
+    $data = "return match (\$rpc) {\n";
     foreach ($map as $err => [$human, $code, $class]) {
         $data .= "$err => new $class(\$caller, \$previous),\n";
     }