The following error occurs after clicking Save when adding a new encounter, under Administration / Manage Encounters / Add Encounter...
The full stacktrace for this error can usually be found in your server's error logs.
This error displays, but doesn't limit functionality, on Internet Explorer, with OpenMRS 1.6.0 RC Build 12391.
This error does not occur on the web demo, OpenMRS 1.5.1.
This error does not occur when using FireFox.