This helped be solve it.
http://splunk-base.splunk.com/answers/33812/cannot-search-using-sourcetype-but-can-search-with-index
BUT all you need to do is make sure that the index this sourcetype is in is added to the list of indexes to search.
Otherwise you will have to do "index=* sourcetype=mysourcetype" instead of "sourcetype=mysourcetype"
It seems that changing licenses changed the perms associated with your roles...or something.
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