diff --git a/telethon/utils.py b/telethon/utils.py
index e2b9d827..b1b27410 100644
--- a/telethon/utils.py
+++ b/telethon/utils.py
@@ -954,12 +954,22 @@ def resolve_bot_file_id(file_id):
     For thumbnails, the photo ID and hash will always be zero.
     """
     data = _rle_decode(_decode_telegram_base64(file_id))
-    if not data or data[-1] != 2:
+    if not data:
         return None
 
-    data = data[:-1]
-    if len(data) == 24:
-        file_type, dc_id, media_id, access_hash = struct.unpack('<iiqq', data)
+    # This isn't officially documented anywhere, but
+    # we assume the last byte is some kind of "version".
+    data, version = data[:-1], data[-1]
+    if version not in (2, 4):
+        return None
+
+    if (version == 2 and len(data) == 24) or (version == 4 and len(data) == 25):
+        if version == 2:
+            file_type, dc_id, media_id, access_hash = struct.unpack('<iiqq', data)
+        # elif version == 4:
+        else:
+            # TODO Figure out what the extra byte means
+            file_type, dc_id, media_id, access_hash, _ = struct.unpack('<iiqqb', data)
 
         if not (1 <= dc_id <= 5):
             # Valid `file_id`'s must have valid DC IDs. Since this method is
@@ -1003,9 +1013,15 @@ def resolve_bot_file_id(file_id):
             attributes=attributes,
             file_reference=b''
         )
-    elif len(data) == 44:
-        (file_type, dc_id, media_id, access_hash,
-            volume_id, secret, local_id) = struct.unpack('<iiqqqqi', data)
+    elif (version == 2 and len(data) == 44) or (version == 4 and len(data) == 49):
+        if version == 2:
+            (file_type, dc_id, media_id, access_hash,
+                volume_id, secret, local_id) = struct.unpack('<iiqqqqi', data)
+        # elif version == 4:
+        else:
+            # TODO Figure out what the extra five bytes mean
+            (file_type, dc_id, media_id, access_hash,
+                volume_id, secret, local_id, _) = struct.unpack('<iiqqqqi5s', data)
 
         if not (1 <= dc_id <= 5):
             return None
diff --git a/telethon_generator/data/errors.csv b/telethon_generator/data/errors.csv
index 1e636c46..c477c78c 100644
--- a/telethon_generator/data/errors.csv
+++ b/telethon_generator/data/errors.csv
@@ -21,6 +21,7 @@ BOT_INLINE_DISABLED,400,This bot can't be used in inline mode
 BOT_INVALID,400,This is not a valid bot
 BOT_METHOD_INVALID,400,The API access for bot users is restricted. The method you tried to invoke cannot be executed as a bot
 BOT_MISSING,400,This method can only be run by a bot
+BOT_PAYMENTS_DISABLED,400,This method can only be run by a bot
 BOT_POLLS_DISABLED,400,You cannot create polls under a bot account
 BROADCAST_ID_INVALID,400,The channel is invalid
 BUTTON_DATA_INVALID,400,The provided button data is invalid
@@ -163,6 +164,7 @@ PARTICIPANT_VERSION_OUTDATED,400,The other participant does not use an up to dat
 PASSWORD_EMPTY,400,The provided password is empty
 PASSWORD_HASH_INVALID,400,The password (and thus its hash value) you entered is invalid
 PASSWORD_REQUIRED,400,The account must have 2-factor authentication enabled (a password) before this method can be used
+PAYMENT_PROVIDER_INVALID,400,The payment provider was not recognised or its token was invalid
 PEER_FLOOD,,Too many requests
 PEER_ID_INVALID,400,An invalid Peer was used. Make sure to pass the right peer type
 PEER_ID_NOT_SUPPORTED,400,The provided peer ID is not supported
diff --git a/telethon_generator/data/methods.csv b/telethon_generator/data/methods.csv
index 08b65ed3..a147ace8 100644
--- a/telethon_generator/data/methods.csv
+++ b/telethon_generator/data/methods.csv
@@ -236,7 +236,7 @@ messages.sendEncrypted,user,CHAT_ID_INVALID DATA_INVALID ENCRYPTION_DECLINED MSG
 messages.sendEncryptedFile,user,MSG_WAIT_FAILED
 messages.sendEncryptedService,user,DATA_INVALID ENCRYPTION_DECLINED MSG_WAIT_FAILED USER_IS_BLOCKED
 messages.sendInlineBotResult,user,CHAT_SEND_INLINE_FORBIDDEN CHAT_WRITE_FORBIDDEN INLINE_RESULT_EXPIRED PEER_ID_INVALID QUERY_ID_EMPTY WEBPAGE_CURL_FAILED WEBPAGE_MEDIA_EMPTY
-messages.sendMedia,both,BOT_POLLS_DISABLED CHANNEL_INVALID CHANNEL_PRIVATE CHAT_ADMIN_REQUIRED CHAT_SEND_MEDIA_FORBIDDEN CHAT_WRITE_FORBIDDEN EXTERNAL_URL_INVALID FILE_PARTS_INVALID FILE_PART_LENGTH_INVALID INPUT_USER_DEACTIVATED MEDIA_CAPTION_TOO_LONG MEDIA_EMPTY PEER_ID_INVALID PHOTO_EXT_INVALID PHOTO_INVALID_DIMENSIONS PHOTO_SAVE_FILE_INVALID POLL_OPTION_DUPLICATE RANDOM_ID_DUPLICATE STORAGE_CHECK_FAILED Timeout USER_BANNED_IN_CHANNEL USER_IS_BLOCKED USER_IS_BOT VIDEO_CONTENT_TYPE_INVALID WEBPAGE_CURL_FAILED WEBPAGE_MEDIA_EMPTY
+messages.sendMedia,both,BOT_PAYMENTS_DISABLED BOT_POLLS_DISABLED CHANNEL_INVALID CHANNEL_PRIVATE CHAT_ADMIN_REQUIRED CHAT_SEND_MEDIA_FORBIDDEN CHAT_WRITE_FORBIDDEN EXTERNAL_URL_INVALID FILE_PARTS_INVALID FILE_PART_LENGTH_INVALID INPUT_USER_DEACTIVATED MEDIA_CAPTION_TOO_LONG MEDIA_EMPTY PAYMENT_PROVIDER_INVALID PEER_ID_INVALID PHOTO_EXT_INVALID PHOTO_INVALID_DIMENSIONS PHOTO_SAVE_FILE_INVALID POLL_OPTION_DUPLICATE RANDOM_ID_DUPLICATE STORAGE_CHECK_FAILED Timeout USER_BANNED_IN_CHANNEL USER_IS_BLOCKED USER_IS_BOT VIDEO_CONTENT_TYPE_INVALID WEBPAGE_CURL_FAILED WEBPAGE_MEDIA_EMPTY
 messages.sendMessage,both,AUTH_KEY_DUPLICATED BUTTON_DATA_INVALID BUTTON_TYPE_INVALID BUTTON_URL_INVALID CHANNEL_INVALID CHANNEL_PRIVATE CHAT_ADMIN_REQUIRED CHAT_ID_INVALID CHAT_RESTRICTED CHAT_WRITE_FORBIDDEN ENTITIES_TOO_LONG ENTITY_MENTION_USER_INVALID INPUT_USER_DEACTIVATED MESSAGE_EMPTY MESSAGE_TOO_LONG PEER_ID_INVALID RANDOM_ID_DUPLICATE REPLY_MARKUP_INVALID REPLY_MARKUP_TOO_LONG Timeout USER_BANNED_IN_CHANNEL USER_IS_BLOCKED USER_IS_BOT YOU_BLOCKED_USER
 messages.sendMultiMedia,both,
 messages.sendVote,user,