When adjusting the FG color for a track from the 'Data Management Table' it updates the color, but throws this error in the console:

Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at com.affymetrix.igb.view.TierPrefsView.fgColorComboBox(TierPrefsView.java:564)
at com.affymetrix.igb.view.TierPrefsViewGUI.fgColorComboBoxActionPerformed(TierPrefsViewGUI.java:455)
at com.affymetrix.igb.view.TierPrefsViewGUI.access$300(TierPrefsViewGUI.java:9)
at com.affymetrix.igb.view.TierPrefsViewGUI$4.actionPerformed(TierPrefsViewGUI.java:124)
at com.jidesoft.combobox.AbstractComboBox.fireActionEvent(Unknown Source)
at com.jidesoft.combobox.AbstractComboBox.setSelectedItem(Unknown Source)
at com.jidesoft.combobox.ColorComboBox.setSelectedItem(Unknown Source)
at com.jidesoft.combobox.AbstractComboBox.setSelectedItem(Unknown Source)
at com.jidesoft.combobox.ColorComboBox.setSelectedColor(Unknown Source)
at com.affymetrix.igb.view.load.DataManagementTableModel.setValueAt(DataManagementTableModel.java:369)
at javax.swing.JTable.setValueAt(Unknown Source)
at javax.swing.JTable.editingStopped(Unknown Source)
at javax.swing.AbstractCellEditor.fireEditingStopped(Unknown Source)
at javax.swing.AbstractCellEditor.stopCellEditing(Unknown Source)
at com.jidesoft.grid.AbstractComboBoxCellEditor.stopCellEditing(Unknown Source)
at com.jidesoft.grid.AbstractComboBoxCellEditor.itemStateChanged(Unknown Source)
at com.jidesoft.combobox.AbstractComboBox.fireItemStateChanged(Unknown Source)
at com.jidesoft.combobox.AbstractComboBox.selectedItemChanged(Unknown Source)
at com.jidesoft.combobox.AbstractComboBox.setSelectedItem(Unknown Source)
at com.jidesoft.combobox.ColorComboBox.setSelectedItem(Unknown Source)
at com.jidesoft.combobox.AbstractComboBox.setSelectedItem(Unknown Source)
at com.jidesoft.combobox.AbstractComboBox$3.itemStateChanged(Unknown Source)
at com.jidesoft.combobox.PopupPanel.fireItemStateChanged(Unknown Source)
at com.jidesoft.combobox.PopupPanel.setSelectedObject(Unknown Source)
at com.jidesoft.combobox.PopupPanel.setSelectedObject(Unknown Source)
at com.jidesoft.combobox.ColorChooserPanel.setSelectedColor(Unknown Source)
at com.jidesoft.combobox.ColorChooserPanel$d_.actionPerformed(Unknown Source)
at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
at com.jidesoft.plaf.basic.BasicJideButtonListener.mouseReleased(Unknown Source)
at java.awt.AWTEventMulticaster.mouseReleased(Unknown Source)
at java.awt.Component.processMouseEvent(Unknown Source)
at javax.swing.JComponent.processMouseEvent(Unknown Source)
at java.awt.Component.processEvent(Unknown Source)
at java.awt.Container.processEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Window.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$000(Unknown Source)
at java.awt.EventQueue$1.run(Unknown Source)
at java.awt.EventQueue$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue$2.run(Unknown Source)
at java.awt.EventQueue$2.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)

When adjusting the BG color for a track from the 'Data Management Table' it updates the color, but throws this error in the console:

Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at com.affymetrix.igb.view.TierPrefsView.bgColorComboBox(TierPrefsView.java:570)
at com.affymetrix.igb.view.TierPrefsViewGUI.bgColorComboBoxActionPerformed(TierPrefsViewGUI.java:459)
at com.affymetrix.igb.view.TierPrefsViewGUI.access$100(TierPrefsViewGUI.java:9)
at com.affymetrix.igb.view.TierPrefsViewGUI$2.actionPerformed(TierPrefsViewGUI.java:99)
at com.jidesoft.combobox.AbstractComboBox.fireActionEvent(Unknown Source)
at com.jidesoft.combobox.AbstractComboBox.setSelectedItem(Unknown Source)
at com.jidesoft.combobox.ColorComboBox.setSelectedItem(Unknown Source)
at com.jidesoft.combobox.AbstractComboBox.setSelectedItem(Unknown Source)
at com.jidesoft.combobox.ColorComboBox.setSelectedColor(Unknown Source)
at com.affymetrix.igb.view.load.DataManagementTableModel.setValueAt(DataManagementTableModel.java:362)
at javax.swing.JTable.setValueAt(Unknown Source)
at javax.swing.JTable.editingStopped(Unknown Source)
at javax.swing.AbstractCellEditor.fireEditingStopped(Unknown Source)
at javax.swing.AbstractCellEditor.stopCellEditing(Unknown Source)
at com.jidesoft.grid.AbstractComboBoxCellEditor.stopCellEditing(Unknown Source)
at com.jidesoft.grid.AbstractComboBoxCellEditor.itemStateChanged(Unknown Source)
at com.jidesoft.combobox.AbstractComboBox.fireItemStateChanged(Unknown Source)
at com.jidesoft.combobox.AbstractComboBox.selectedItemChanged(Unknown Source)
at com.jidesoft.combobox.AbstractComboBox.setSelectedItem(Unknown Source)
at com.jidesoft.combobox.ColorComboBox.setSelectedItem(Unknown Source)
at com.jidesoft.combobox.AbstractComboBox.setSelectedItem(Unknown Source)
at com.jidesoft.combobox.AbstractComboBox$3.itemStateChanged(Unknown Source)
at com.jidesoft.combobox.PopupPanel.fireItemStateChanged(Unknown Source)
at com.jidesoft.combobox.PopupPanel.setSelectedObject(Unknown Source)
at com.jidesoft.combobox.PopupPanel.setSelectedObject(Unknown Source)
at com.jidesoft.combobox.ColorChooserPanel.setSelectedColor(Unknown Source)
at com.jidesoft.combobox.ColorChooserPanel$d_.actionPerformed(Unknown Source)
at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
at com.jidesoft.plaf.basic.BasicJideButtonListener.mouseReleased(Unknown Source)
at java.awt.AWTEventMulticaster.mouseReleased(Unknown Source)
at java.awt.Component.processMouseEvent(Unknown Source)
at javax.swing.JComponent.processMouseEvent(Unknown Source)
at java.awt.Component.processEvent(Unknown Source)
at java.awt.Container.processEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Window.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$000(Unknown Source)
at java.awt.EventQueue$1.run(Unknown Source)
at java.awt.EventQueue$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue$2.run(Unknown Source)
at java.awt.EventQueue$2.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)

When you change the FG or BG color for a second time there is no error thrown and color updates fine.