after update to Jaikoz 4.2.1 NGS which was released on July 27th 2011.
Errormessage: java.sql.BatchUpdateException: Table/View ‘PUID’ does not exist.
OS X 10.6.8
2.66 GHz Intel Core 2 Duo
java version “1.6.0_26”
Java™ SE Runtime Environment (build 1.6.0_26-b03-384-10M3425)
Java HotSpot™ 64-Bit Server VM (build 20.1-b02-384, mixed mode)
This can happen when upgrading from a very old version of Jaikoz. please see Issue 1 at http://www.jthink.net/jaikozforum/posts/list/1246.page for resolution.
Thank you very much for the fast replay. Problem is solved. 
Another issue: cannot save changes of some files. Could have to do with permissions (error with “copy and save to” or dark ID3. Will post details later.