diff --git a/proto/errorcode/error_code_enums.proto b/proto/errorcode/error_code_enums.proto
index 6c26d99d..67171642 100644
--- a/proto/errorcode/error_code_enums.proto
+++ b/proto/errorcode/error_code_enums.proto
@@ -497,4 +497,9 @@ enum Description {
   AWARE_UPDATE_PUBLISHING_CONFIG_FAILED = 163;
   L2CAP_UNAVAILABLE = 164;
   ALREADY_HAS_GATT_CONNECTION = 165;
+  UNSUPPORTED_DEVICE_TYPE = 166;
+  UNSUPPORTED_DEVICE_TYPE_CHROME_OS = 167;
+  UNSUPPORTED_DEVICE_TYPE_AUTO = 168;
+  UNSUPPORTED_DEVICE_TYPE_TV = 169;
+  UNSUPPORTED_DEVICE_TYPE_WEAR = 170;
 }