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    java.lang.NullPointerException
        at org.pentaho.reporting.designer.core.editor.styles.StyleTableModel.findFirstOccuranceOfHeaderTitle(StyleTableModel.java:393)
        at org.pentaho.reporting.designer.core.editor.styles.StyleTableModel.reconcileState(StyleTableModel.java:380)
        at org.pentaho.reporting.designer.core.editor.styles.StyleTableModel.updateData(StyleTableModel.java:359)
        at org.pentaho.reporting.designer.core.editor.styles.StyleTableModel$UpdateDataTask.run(StyleTableModel.java:241)
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