Index: applications/editors/josm/plugins/sds/src/org/openstreetmap/hot/sds/SdsApi.java
===================================================================
--- applications/editors/josm/plugins/sds/src/org/openstreetmap/hot/sds/SdsApi.java	(revision 30764)
+++ applications/editors/josm/plugins/sds/src/org/openstreetmap/hot/sds/SdsApi.java	(revision 31152)
@@ -484,5 +484,5 @@
 
                 if (activeConnection.getResponseCode() == HttpURLConnection.HTTP_PROXY_AUTH)
-                    throw new OsmTransferCanceledException();
+                    throw new OsmTransferCanceledException(tr("Proxy Authentication Required"));
 
                 String encoding = activeConnection.getContentEncoding();