Thank you so much Mark, that works!!! Yes, the 'exists' is redundant. I will take you advice and use the drools-templates in the future. -- View this message in context: http://drools.46999.n3.nabble.com/decision-table-not-exists-tp3356570p3356750.html Sent from the Drools: User forum mailing list archive at Nabble.com.