java.lang.AssertionError: Must be initialized already
        at org.netbeans.core.NbTopManager.get(NbTopManager.java:99)
        at org.netbeans.modules.versioning.system.cvss.ModuleLifecycleManager.validate(ModuleLifecycleManager.java:48)
        at org.netbeans.core.startup.NbInstaller.prepare(NbInstaller.java:133)
        at org.netbeans.ModuleManager.enable(ModuleManager.java:810)
        at org.netbeans.core.startup.ModuleList.installNew(ModuleList.java:383)
        at org.netbeans.core.startup.ModuleList.trigger(ModuleList.java:317)
        at org.netbeans.core.startup.ModuleSystem.restore(ModuleSystem.java:242)
        at org.netbeans.core.startup.Main.getModuleSystem(Main.java:212)
        at org.netbeans.core.startup.Main.start(Main.java:360)
        at org.netbeans.core.startup.TopThreadGroup.run(TopThreadGroup.java:90)
        at java.lang.Thread.run(Thread.java:595)
java.lang.AssertionError: Must be initialized already
        at org.netbeans.core.NbTopManager.get(NbTopManager.java:99)
        at org.netbeans.modules.versioning.system.cvss.ModuleLifecycleManager.validate(ModuleLifecycleManager.java:48)
        at org.netbeans.core.startup.NbInstaller.prepare(NbInstaller.java:133)
        at org.netbeans.ModuleManager.enable(ModuleManager.java:810)
        at org.netbeans.core.startup.ModuleList.installNew(ModuleList.java:383)
        at org.netbeans.core.startup.ModuleList.trigger(ModuleList.java:317)
        at org.netbeans.core.startup.ModuleSystem.restore(ModuleSystem.java:242)
        at org.netbeans.core.startup.Main.getModuleSystem(Main.java:212)
        at org.netbeans.core.startup.Main.start(Main.java:360)
        at org.netbeans.core.startup.TopThreadGroup.run(TopThreadGroup.java:90)
        at java.lang.Thread.run(Thread.java:595)