I have 100 rules in xls decision table. I modify any rule and save change. Then I try to build create new knwoledge base using this file and I have exception: java.lang.RuntimeException: [784,0]: Duplicate rule name: 0 [801,0]: Duplicate rule name: 0 [818,0]: Duplicate rule name: 0 [837,0]: Duplicate rule name: 0 [856,0]: Duplicate rule name: 0 [873,0]: Duplicate rule name: 0 [890,0]: Duplicate rule name: 0 [907,0]: Duplicate rule name: 0 [924,0]: Duplicate rule name: 0 [941,0]: Duplicate rule name: 0 [958,0]: Duplicate rule name: 0 [975,0]: Duplicate rule name: 0 [992,0]: Duplicate rule name: 0 [1009,0]: Duplicate rule name: 0 I tried to compile this file using SpreadSheetCompiler. This is a scrap of drl file wth rules: * # rule values at A52, header at A5 rule "0" salience 60 ruleflow-group "0" when * -- View this message in context: http://drools.46999.n3.nabble.com/Druplicate-rule-name-0-tp3246425p324642... Sent from the Drools: User forum mailing list archive at Nabble.com. _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users