Hi,
I've seen this happen if you already have a license key that hasn't expired yet and then attempt to load up a new license key. Either wait until the current key expires and then load the new one, or remove the current key before applying the new ...
This is a great idea. It would be really helpful if the underlying database was better structured to facilitate archiving/purging of data from the Blue Prism database to more easily enable the production database to be maintained at a manageable size...