diff --git a/RFXtoRP_HsaDispute.ftl b/RFXtoRP_HsaDispute.ftl
index a1a71c8..1add95b 100644
--- a/RFXtoRP_HsaDispute.ftl
+++ b/RFXtoRP_HsaDispute.ftl
@@ -35,6 +35,8 @@
               <#else>
                 <#stop>
               </#if>
+            <#else>
+              <#stop "Reference is empty">
             </#if>
           </#if>
        ]