IndexOutOfBoundException when using conditional break + query

I got an java.lang.ArrayIndexOutOfBoundsException when I use conditionnal breaking and queries.
I face this issue since 6.4.0.CR2 and not before this.

Following the stack trace :

java.lang.ArrayIndexOutOfBoundsException: 2
at org.drools.core.reteoo.AbstractTerminalNode.getPathNodes(AbstractTerminalNode.java:304)
at org.drools.core.reteoo.AbstractTerminalNode.getPathNodes(AbstractTerminalNode.java:311)
at org.drools.core.phreak.PhreakQueryTerminalNode.checkAndTriggerQueryReevaluation(PhreakQueryTerminalNode.java:173)
at org.drools.core.phreak.PhreakQueryTerminalNode.doLeftInserts(PhreakQueryTerminalNode.java:78)
at org.drools.core.phreak.PhreakQueryTerminalNode.doNode(PhreakQueryTerminalNode.java:54)
at org.drools.core.phreak.RuleNetworkEvaluator.innerEval(RuleNetworkEvaluator.java:282)
at org.drools.core.phreak.RuleNetworkEvaluator.outerEval(RuleNetworkEvaluator.java:136)
at org.drools.core.phreak.RuleNetworkEvaluator.evaluateNetwork(RuleNetworkEvaluator.java:94)
at org.drools.core.phreak.RuleExecutor.reEvaluateNetwork(RuleExecutor.java:194)
at org.drools.core.phreak.RuleExecutor.evaluateNetworkAndFire(RuleExecutor.java:73)
at org.drools.core.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:1003)
at org.drools.core.common.DefaultAgenda.fireLoop(DefaultAgenda.java:1346)
at org.drools.core.common.DefaultAgenda.fireAllRules(DefaultAgenda.java:1284)
at org.drools.core.impl.StatefulKnowledgeSessionImpl.internalFireAllRules(StatefulKnowledgeSessionImpl.java:1303)
at org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1293)
at org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1274)
at com.darty.drools.CodicCriteriaTest.price(CodicCriteriaTest.java:53)