* @param treeItem
* in ParameterSection of parameter belonging to (multiple) groups
*/
public void removeParmSettingFromMultipleGroups(TreeItem parmItem, boolean removeFromGUI) {
if (!isParameter(parmItem))
throw new InternalErrorCDE("invalid argument"); //$NON-NLS-1$
ConfigurationParameterSettings modelSettings = getModelSettings();
String parmName = getName(parmItem);
TreeItem parent = parmItem.getParentItem();
String groupName = getName(parent.getText());