When I fire my rules with a giving rule flow I have this exception : java.lang.ClassCastException: org.drools.common.RuleFlowGroupNode cannot be cast to org.drools.spi.Activation at org.drools.ruleflow.instance.impl.RuleFlowSplitInstanceImpl.trigger(RuleFlowSplitInstanceImpl.java:90) at org.drools.ruleflow.instance.impl.RuleFlowSequenceNodeInstanceImpl.triggerCompleted(RuleFlowSequenceNodeInstanceImpl.java:38) at org.drools.common.RuleFlowGroupImpl$DeactivateCallback.execute(RuleFlowGroupImpl.java:212) at org.drools.common.AbstractWorkingMemory.executeQueuedActions(AbstractWorkingMemory.java:1135) at org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:394) at org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:384) Any help pls ? -- View this message in context: http://www.nabble.com/org.drools.common.RuleFlowGroupNode-tf4108894.html#... Sent from the drools - user mailing list archive at Nabble.com.