#49 L2FProd Propertysheet bug

I am getting this error trying to use the L2FPROd
common component PropertySheet with Napkin L&F.

os.name=Windows XP
os.version=5.1
java.vm.vendor=Sun Microsystems Inc.
java.vm.version=1.5.0_06-b05

java.lang.NullPointerException
at
com.l2fprod.common.propertysheet.PropertySheetTable$CellBorder.paintBorder(PropertySheetTable.java:679)
at javax.swing.JComponent.paintBorder(JComponent.java:903)
at javax.swing.JComponent.paint(JComponent.java:1006)
at
javax.swing.CellRendererPane.paintComponent(CellRendererPane.java:134)
at
javax.swing.plaf.basic.BasicTableUI.paintCell(BasicTableUI.java:2071)
at
javax.swing.plaf.basic.BasicTableUI.paintCells(BasicTableUI.java:1972)
at
javax.swing.plaf.basic.BasicTableUI.paint(BasicTableUI.java:1895)
at
javax.swing.plaf.ComponentUI.update(ComponentUI.java:142)
at
net.sourceforge.napkinlaf.NapkinTableUI.superPaint(NapkinTableUI.java:44)
at
net.sourceforge.napkinlaf.util.NapkinUtil.update(NapkinUtil.java:583)
at
net.sourceforge.napkinlaf.NapkinTableUI.update(NapkinTableUI.java:34)
at
javax.swing.JComponent.paintComponent(JComponent.java:742)