diff --git a/compiler/error/source/400_BAD_REQUEST.tsv b/compiler/error/source/400_BAD_REQUEST.tsv
index cd196077..f02c72ff 100644
--- a/compiler/error/source/400_BAD_REQUEST.tsv
+++ b/compiler/error/source/400_BAD_REQUEST.tsv
@@ -62,4 +62,6 @@ USER_IS_BOT	A bot cannot send messages to other bots or to itself
 WEBPAGE_CURL_FAILED	Telegram could not fetch the provided URL
 STICKERSET_INVALID	The requested sticker set is invalid
 PEER_FLOOD	The method can't be used because your account is limited
-MEDIA_CAPTION_TOO_LONG	The media caption is longer than 200 characters
\ No newline at end of file
+MEDIA_CAPTION_TOO_LONG	The media caption is longer than 200 characters
+USER_NOT_MUTUAL_CONTACT	The user is not a mutual contact
+USER_CHANNELS_TOO_MUCH	The user is already in too many channels or supergroups
\ No newline at end of file