diff --git a/telethon_generator/data/errors.csv b/telethon_generator/data/errors.csv
index 08283176..a5e4159b 100644
--- a/telethon_generator/data/errors.csv
+++ b/telethon_generator/data/errors.csv
@@ -216,6 +216,7 @@ RIGHT_FORBIDDEN,403,Either your admin rights do not allow you to do this or you
 RPC_CALL_FAIL,,"Telegram is having internal issues, please try again later."
 RPC_MCGET_FAIL,,"Telegram is having internal issues, please try again later."
 RSA_DECRYPT_FAILED,400,Internal RSA decryption failed
+SCHEDULE_TOO_MUCH,400,Too much scheduled messages
 SEARCH_QUERY_EMPTY,400,The search query is empty
 SECONDS_INVALID,400,Seconds invalid
 SEND_MESSAGE_MEDIA_INVALID,400,The message media was invalid or not specified