fix Document DownloadAction

process/Document_lib/process.js

@@ -24,7 +24,7 @@ DocumentUtil.downloadSelectedDocuments = function() {
     
     if(vars.exists("$sys.selectionRows") && vars.getString("$sys.selectionRows")) {
         var rows = vars.get("$sys.selectionRows");
-        var uids = JSON.parse(vars.get("$sys.selection"));
+        var uids = vars.get("$sys.selection");
         var binaryContents = db.getBinaryContents(uids, alias);     
 
         // check if multiplie Files are selected.