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org.netbeans.modules.uml.core.typemanagement.PickListManager
java.lang.ClassNotFoundException: org.netbeans.modules.uml.core.typemanagement.PickListManager	at org.netbeans.ProxyClassLoader.loadClass(ProxyClassLoader.java:151)	at java.lang.ClassLoader.loadClass(ClassLoader.java:251)	at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)	at java.lang.Class.forName0(Native Method)	at java.lang.Class.forName(Class.java:164)	at com.embarcadero.uml.core.QueryManager.createUpdaters(QueryManager.java:482)	at com.embarcadero.uml.core.QueryManager.gatherUpdaters(QueryManager.java:282)	at com.embarcadero.uml.core.QueryManager.verifyCacheContents(QueryManager.java:592)	at com.embarcadero.uml.core.QueryManager.establishQueryCache(QueryManager.java:537)	at com.embarcadero.uml.core.QueryManager.establishCache(QueryManager.java:1121)	at com.embarcadero.uml.core.Application.openProject(Application.java:203)	at com.embarcadero.uml.ui.products.ad.applicationcore.ADApplication.openProject(ADApplication.java:153)	at com.sun.tools.ide.uml.project.UMLProjectHelper.initializeProject(UMLProjectHelper.java:224)	at com.sun.tools.ide.uml.project.UMLProjectHelper.getProject(UMLProjectHelper.java:168)	at com.sun.tools.ide.uml.project.UMLProject$ProjectOpenedHookImpl.retreiveProject(UMLProject.java:452)	at com.sun.tools.ide.uml.project.UMLProject$ProjectOpenedHookImpl.verifyProjectIsInitialized(UMLProject.java:474)	at com.sun.tools.ide.uml.project.UMLProject$ProjectOpenedHookImpl.projectOpened(UMLProject.java:510)	at org.netbeans.spi.project.ui.ProjectOpenedHook$1.projectOpened(ProjectOpenedHook.java:49)	at org.netbeans.modules.project.ui.OpenProjectList.notifyOpened(OpenProjectList.java:404)	at org.netbeans.modules.project.ui.OpenProjectList.getDefault(OpenProjectList.java:121)	at org.netbeans.modules.project.ui.OpenProjectsTrampolineImpl.(OpenProjectsTrampolineImpl.java:35)	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)	at java.lang.reflect.Constructor.newInstance(Constructor.java:494)	at java.lang.Class.newInstance0(Class.java:350)	at java.lang.Class.newInstance(Class.java:303)	at org.openide.util.lookup.MetaInfServicesLookup$P.getInstance(MetaInfServicesLookup.java:346)	at org.openide.util.lookup.AbstractLookup.lookup(AbstractLookup.java:298)	at org.openide.util.lookup.ProxyLookup.lookup(ProxyLookup.java:140)	at org.netbeans.modules.project.uiapi.Utilities.getOpenProjectsTrampoline(Utilities.java:45)	at org.netbeans.api.project.ui.OpenProjects.(OpenProjects.java:52)	at org.netbeans.api.project.ui.OpenProjects.(OpenProjects.java:47)	at org.netbeans.modules.editor.bookmarks.EditorBookmarksModule.restored(EditorBookmarksModule.java:58)	at org.netbeans.core.modules.NbInstaller.loadCode(NbInstaller.java:322)	at org.netbeans.core.modules.NbInstaller.load(NbInstaller.java:240)	at org.netbeans.core.modules.ModuleManager.enable(ModuleManager.java:869)	at org.netbeans.core.modules.ModuleList.installNew(ModuleList.java:382)	at org.netbeans.core.modules.ModuleList.trigger(ModuleList.java:316)	at org.netbeans.core.modules.ModuleSystem.restore(ModuleSystem.java:253)	at org.netbeans.core.NonGui.run(NonGui.java:355)	at org.netbeans.core.Main.run(Main.java:185)	at org.netbeans.core.NbTopManager.getNbTopManager(NbTopManager.java:241)	at org.netbeans.core.NbTopManager.get(NbTopManager.java:190)	at org.netbeans.core.Main.start(Main.java:311)	at org.netbeans.core.TopThreadGroup.run(TopThreadGroup.java:90)	at java.lang.Thread.run(Thread.java:595)