/errors/asset_error.proto 

--- v22/errors/asset_error.proto    2026-02-25 22:50:21.000000000 +0000
+++ v23/errors/asset_error.proto    2026-02-25 22:50:30.000000000 +0000
@@ -175,5 +175,8 @@

     // Failed to encode promotion QR code: Invalid format.
     PROMOTION_QR_CODE_INVALID_FORMAT = 45;
+
+    // The customer is not in the allow-list for Business message asset type.
+    CUSTOMER_NOT_ON_ALLOWLIST_FOR_MESSAGE_ASSETS = 46;
   }
 }