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java.lang.NullPointerException at org.neo4j.ogm.session.delegates.LoadOneDelegate.lookup(LoadOneDelegate.java:56) at org.neo4j.ogm.session.delegates.LoadOneDelegate.load(LoadOneDelegate.java:49) at org.neo4j.ogm.session.delegates.LoadOneDelegate.load(LoadOneDelegate.java:39) at org.neo4j.ogm.session.Neo4jSession.load(Neo4jSession.java:137) at org.neo4j.ogm.session.Capability$LoadOne$load.call(Unknown Source) at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:45) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:110) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:130) at Main.main(Main.groovy:24)