Have you been saving your search results in the Library Catalogue? If so you will need to export the references you wish to keep before the Catalogue goes into read-only mode on 24th June 2015.
Both the Library Catalogue and Searcher are being replaced by DiscoverEd soon. In preparation for this the Library Catalogue must go into a read-only mode on 24th June 2015. If you have been saving search results into your My List in the Catalogue you must export any you wish to keep before the Catalogue becomes read-only.
To find out what you can do and more information please see the previous blog post:
There is also information available on what to do if you have been saving your search results in Searcher.