diff --git a/telethon_generator/data/errors.csv b/telethon_generator/data/errors.csv
index 3604dfa8..f4f54082 100644
--- a/telethon_generator/data/errors.csv
+++ b/telethon_generator/data/errors.csv
@@ -87,6 +87,7 @@ EMAIL_INVALID,400,The given email is invalid
 EMAIL_UNCONFIRMED_X,400,"Email unconfirmed, the length of the code must be {code_length}"
 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
 ENCRYPTED_MESSAGE_INVALID,400,Encrypted message invalid
 ENCRYPTION_ALREADY_ACCEPTED,400,Secret chat already accepted
 ENCRYPTION_ALREADY_DECLINED,400,The secret chat was already declined
diff --git a/telethon_generator/data/methods.csv b/telethon_generator/data/methods.csv
index 73a78486..36830b47 100644
--- a/telethon_generator/data/methods.csv
+++ b/telethon_generator/data/methods.csv
@@ -236,7 +236,7 @@ messages.getScheduledMessages,user,
 messages.getSearchCounters,user,
 messages.getSplitRanges,user,
 messages.getStatsURL,user,
-messages.getStickerSet,both,STICKERSET_INVALID
+messages.getStickerSet,both,EMOTICON_STICKERPACK_MISSING STICKERSET_INVALID
 messages.getStickers,user,EMOTICON_EMPTY
 messages.getSuggestedDialogFilters,user,
 messages.getUnreadMentions,user,PEER_ID_INVALID