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via GitHub by gebner
, 1 year ago
This exception has no message.
java.lang.NullPointerException at scala.swing.RootPanel$class.contents_$eq(RootPanel.scala:36) at scala.swing.Window.contents_$eq(Window.scala:42) at at.logic.gapt.prooftool.ProofToolViewer.<init>(ProofToolViewer.scala:120) at at.logic.gapt.prooftool.ScrollableProofToolViewer.<init>(ProofToolViewer.scala:359) at at.logic.gapt.prooftool.DagProofViewer.<init>(SequentProofViewer.scala:23) at at.logic.gapt.prooftool.SequentProofViewer.<init>(SequentProofViewer.scala:36) at at.logic.gapt.prooftool.LKProofViewer.<init>(SequentProofViewer.scala:94) at at.logic.gapt.prooftool.prooftool$.apply(ProofToolViewer.scala:39)