This is a very general message that could involve any of several different parts of your system including your network, your server, the application on your server, the SAS sessions that SAS Enterprise Miner relies on such as the Metadata server and Object Spawner, etc... This is a situation where you should check what you can along those lines with regards to your network and hardware and then contact SAS Technical Support.
Should you contact SAS Technical Support, there will likely be more questions such as...
... is this happening to all users or just one (or a few)? --> If all users, check your network and hardware
... what has changed on your systems (e.g. did your users update to a new version of Java?)
Hope this helps!
Doug
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