title: Invalid dataset name
body: <p>I made a dataset using bindingsouece and wizard.
  Later I deleted it from my form, from the list below.
  When I needed to make dataset with same name, it gave error that
  dataset name is invalid as it already exists.
  Why is this and where do I need to delete it to be able to use the same name again?
  Thanks
  Furqan</p>