Hello @BSchellenger,
it seems as your indexing server is finding some troubles. Perhaps not all the services are up and running or perhaps you need to re-index your data/metadata.
Please give a look to:
http://support.sas.com/kb/55/697.html
http://support.sas.com/kb/59/133.html
Last resort (not a friend of this one, but necessary in some cases), to disable email notifications for this service: http://support.sas.com/kb/54/579.html
Without more information is hard to know what is the cause of your problem, hence, hard to give an exact solution. But those 3 SAS notes have solved 99% of my troubles with the Search Interface to SAS Content.
Hope it helps!
Kind regards.
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