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java.lang.NullPointerException: 	at oracle.ias.version.SchemaVersion.setMRCNamespace(SchemaVersion.java:1134)	at oracle.ias.upgrade.gui.UASummaryPage.createTree(UASummaryPage.java:2161)	at oracle.ias.upgrade.gui.UAWizard.componentShown(UAWizard.java:1224)	at java.awt.Component.processComponentEvent(Component.java:6120)	at java.awt.Component.processEvent(Component.java:6068)	at java.awt.Container.processEvent(Container.java:2041)	at java.awt.Component.dispatchEventImpl(Component.java:4651)	at java.awt.Container.dispatchEventImpl(Container.java:2099)	at java.awt.Component.dispatchEvent(Component.java:4481)	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:643)	at java.awt.EventQueue.access$000(EventQueue.java:84)	at java.awt.EventQueue$1.run(EventQueue.java:602)	at java.awt.EventQueue$1.run(EventQueue.java:600)	at java.security.AccessController.doPrivileged(Native Method)	at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)	at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:98)	at java.awt.EventQueue$2.run(EventQueue.java:616)	at java.awt.EventQueue$2.run(EventQueue.java:614)	at java.security.AccessController.doPrivileged(Native Method)	at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)	at java.awt.EventQueue.dispatchEvent(EventQueue.java:613)	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)	at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)