diff --git a/telethon_generator/data/errors.csv b/telethon_generator/data/errors.csv
index e50db207..6e50f683 100644
--- a/telethon_generator/data/errors.csv
+++ b/telethon_generator/data/errors.csv
@@ -101,6 +101,8 @@ DOCUMENT_INVALID,400,The document file was invalid and can't be used in inline m
 EMAIL_HASH_EXPIRED,400,The email hash expired and cannot be used to verify it
 EMAIL_INVALID,400,The given email is invalid
 EMAIL_UNCONFIRMED_X,400,"Email unconfirmed, the length of the code must be {code_length}"
+EMOJI_INVALID,400,
+EMOJI_NOT_MODIFIED,400,
 EMOTICON_EMPTY,400,The emoticon field cannot be empty
 EMOTICON_INVALID,400,The specified emoticon cannot be used or was not a emoticon
 EMOTICON_STICKERPACK_MISSING,400,The emoticon sticker pack you are trying to get is missing
diff --git a/telethon_generator/data/methods.csv b/telethon_generator/data/methods.csv
index 381745a5..9066202d 100644
--- a/telethon_generator/data/methods.csv
+++ b/telethon_generator/data/methods.csv
@@ -286,6 +286,7 @@ messages.sendVote,user,MESSAGE_POLL_CLOSED OPTION_INVALID
 messages.setBotCallbackAnswer,both,QUERY_ID_INVALID URL_INVALID
 messages.setBotPrecheckoutResults,both,ERROR_TEXT_EMPTY
 messages.setBotShippingResults,both,QUERY_ID_INVALID
+messages.setChatTheme,user,EMOJI_INVALID EMOJI_NOT_MODIFIED
 messages.setEncryptedTyping,user,CHAT_ID_INVALID
 messages.setGameScore,bot,PEER_ID_INVALID USER_BOT_REQUIRED
 messages.setHistoryTTL,user,CHAT_NOT_MODIFIED TTL_PERIOD_INVALID