1> open a page in VE, add a Basic citation.
2>Click to add Basic citation again ,in the modal click on “Use an Existing Reference “.Select the citation that you just added.
3>In the editor pane, delete all the citations.
4> Select to add Basic citation again. In the modal notice the “Use an Existing Reference “ button is still active, although there are no citations to add to. Click on it and it opens a blank Reference modal.