diff --git a/common/scala/src/main/scala/org/apache/openwhisk/core/connector/Message.scala b/common/scala/src/main/scala/org/apache/openwhisk/core/connector/Message.scala
index 1be6ece8d5d..9de194798cd 100644
--- a/common/scala/src/main/scala/org/apache/openwhisk/core/connector/Message.scala
+++ b/common/scala/src/main/scala/org/apache/openwhisk/core/connector/Message.scala
@@ -655,6 +655,7 @@ object ContainerCreationError extends Enumeration {
       case BlackBoxError                    => "a blackbox error happens"
       case ZeroNamespaceLimit               => "the namespace has 0 limit configured"
       case TooManyConcurrentRequests        => "too many concurrent requests are in flight."
+      case InvalidActionLimitError          => "a configured action limit is invalid."
     }
   }