diff --git a/compiler/error/source/400_BAD_REQUEST.tsv b/compiler/error/source/400_BAD_REQUEST.tsv
index ed332838..3ef57b83 100644
--- a/compiler/error/source/400_BAD_REQUEST.tsv
+++ b/compiler/error/source/400_BAD_REQUEST.tsv
@@ -66,4 +66,5 @@ 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
 API_ID_PUBLISHED_FLOOD	You are using an API key that is limited on the server side
-USER_NOT_PARTICIPANT	The user is not a member of this chat
\ No newline at end of file
+USER_NOT_PARTICIPANT	The user is not a member of this chat
+CHANNEL_PRIVATE	The channel/supergroup is not accessible
\ No newline at end of file