diff --git a/telethon_generator/data/errors.csv b/telethon_generator/data/errors.csv
index 374362bc..5c65300c 100644
--- a/telethon_generator/data/errors.csv
+++ b/telethon_generator/data/errors.csv
@@ -81,6 +81,7 @@ CHAT_ADMIN_REQUIRED,400 403,"Chat admin privileges are required to do that in th
 CHAT_DISCUSSION_UNALLOWED,400,
 CHAT_FORBIDDEN,403,You cannot write in this chat
 CHAT_FORWARDS_RESTRICTED,400 406,You can't forward messages from a protected chat
+CHAT_GET_FAILED,500,
 CHAT_GUEST_SEND_FORBIDDEN,403,"You join the discussion group before commenting, see [here](/api/discussion#requiring-users-to-join-the-group) for more info"
 CHAT_ID_EMPTY,400,The provided chat ID is empty
 CHAT_ID_GENERATE_FAILED,500,Failure while generating the chat ID