diff --git a/status/types.proto b/status/types.proto
index 0c302e5..a340d34 100644
--- a/status/types.proto
+++ b/status/types.proto
@@ -22,3 +22,7 @@ message Status {
 enum Success {
     OK = 0;
 }
+
+enum CommonFail {
+    INTERNAL = 0;
+}