diff --git a/RFXtoRP_HsrCarrierApt.ftl b/RFXtoRP_HsrCarrierApt.ftl
index 2ff64dd..77d5ab6 100644
--- a/RFXtoRP_HsrCarrierApt.ftl
+++ b/RFXtoRP_HsrCarrierApt.ftl
@@ -14,7 +14,6 @@
 
 <#switch cloudEventMsg.action>
   <#case "C">
-  <#case "U">
        <#-- *********************************************** Action = CREATE or UPDATE ******************** -->
       <#assign dataRfx = JsonUtil.decodeBase64(cloudEventMsg.data) />
       <#assign carrier_apt = JsonUtil.jsonToMap(dataRfx)>
@@ -34,6 +33,7 @@
        ]
   <#break>
     <#case "U">
+    <#stop "Not yet implemented">
     <#--   *********************************************** Action = Update ******************** -->
         <#assign dataRfx = JsonUtil.decodeBase64(cloudEventMsg.data) />
         <#assign carrier_apt = JsonUtil.jsonToMap(dataRfx)>