diff --git a/compiler/errors/source/400_BAD_REQUEST.tsv b/compiler/errors/source/400_BAD_REQUEST.tsv
index 08ecb7a676..6c515787d0 100644
--- a/compiler/errors/source/400_BAD_REQUEST.tsv
+++ b/compiler/errors/source/400_BAD_REQUEST.tsv
@@ -323,6 +323,7 @@ USERNAME_INVALID	The username is invalid
 USERNAME_NOT_MODIFIED	The username was not modified because you tried to edit it using the same one
 USERNAME_NOT_OCCUPIED	The username is not occupied by anyone
 USERNAME_OCCUPIED	The username is already in use by someone else
+USERNAME_PURCHASE_AVAILABLE	The specified username can be purchased on https://fragment.com.
 USERPIC_UPLOAD_REQUIRED	You are required to upload a profile picture for this action
 USERS_TOO_FEW	Not enough users (to create a chat, for example)
 USERS_TOO_MUCH	The maximum number of users has been exceeded (to create a chat, for example)