SEVERE: Executor throw an exception unexpectedly
java.lang.NoClassDefFoundError: hudson/plugins/pmd/util/model/Priority
        at hudson.plugins.cigame.rules.plugins.pmd.PmdRuleSet.loadRules(PmdRuleS
et.java:14)
        at hudson.plugins.cigame.rules.plugins.PluginRuleSet.getRules(PluginRule
Set.java:48)
        at hudson.plugins.cigame.model.ScoreCard.record(ScoreCard.java:33)
        at hudson.plugins.cigame.model.ScoreCard.record(ScoreCard.java:54)
        at hudson.plugins.cigame.GamePublisher.perform(GamePublisher.java:56)
        at hudson.plugins.cigame.GamePublisher.perform(GamePublisher.java:42)
        at hudson.tasks.BuildStepMonitor$3.perform(BuildStepMonitor.java:36)
        at hudson.model.AbstractBuild$AbstractRunner.perform(AbstractBuild.java:
577)