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java.lang.NullPointerException at java.lang.String.compareTo( at magic.model.MagicCardDefinition$ at magic.model.MagicCardDefinition$ at magic.model.MagicCondensedCardDefinition$ at magic.model.MagicCondensedCardDefinition$ at java.util.TimSort.countRunAndMakeAscending( at java.util.TimSort.sort( at java.util.TimSort.sort( at java.util.Arrays.sort( at java.util.Collections.sort( at magic.ui.cardtable.CardTableModel.setCards( at magic.ui.cardtable.CardTable.setCards( at magic.ui.screen.DecksScreen$ScreenContent.setDeck( at magic.ui.widget.deck.DeckPicker$3$ at java.awt.event.InvocationEvent.dispatch( at java.awt.EventQueue.dispatchEventImpl( at java.awt.EventQueue.access$300( at java.awt.EventQueue$ at java.awt.EventQueue$ at Method) at$1.doIntersectionPrivilege( at java.awt.EventQueue.dispatchEvent( at java.awt.EventDispatchThread.pumpOneEventForFilters( at java.awt.EventDispatchThread.pumpEventsForFilter( at java.awt.EventDispatchThread.pumpEventsForHierarchy( at java.awt.EventDispatchThread.pumpEvents( at java.awt.EventDispatchThread.pumpEvents( at