Index: /trunk/src/org/openstreetmap/josm/actions/AbstractPasteAction.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/actions/AbstractPasteAction.java	(revision 12559)
+++ /trunk/src/org/openstreetmap/josm/actions/AbstractPasteAction.java	(revision 12560)
@@ -94,5 +94,5 @@
     @Override
     protected void updateEnabledState() {
-        setEnabled(getLayerManager().getEditDataSet() != null && transferHandler.isDataAvailable());
+        setEnabled(getLayerManager().getEditDataSet() != null && transferHandler != null && transferHandler.isDataAvailable());
     }