Bug 122850 Table/list should not be able to be inserted in Master Page mode.
Description: Table/list should not be able to be inserted in Master Page mode. Steps to reproduce: 1. New a report and transfer to Master Page mode. 2. New a datasource and dataset 3. Drag a list/table to page header/footer, bind it to dataset and drag some columns inside. 4. Save and preview Expected result: Insert list/table item in master page should be forbidden. Actual result: They are allowed and preview showed "undefine" in page
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/elements/SemanticError.java
public static final String DESIGN_EXCEPTION_PROPERTY_BINDING_FORBIDDEN = MessageConstants.SEMANTIC_ERROR_PROPERTY_BINDING_FORBIDDEN;
	
	/**
	 * The constant for the semantic error.
	 */
	public static final int ERROR = 0;
	/**
	 * The constant for the semantic warning.
	 */
	public static final int WARNING = 1;
	/**
	 * The level for the semantic error. Can be error or warning.
	 */
	private int errorLevel = ERROR;
	/**
	 * Constructs a SemanticError with the default serious level.
	 * 
	 * @param element
	 *            the element causing this semantic error
	 * @param errCode
	 *            the semantic error code
	 */
	public SemanticError( DesignElement element, String errCode )
	{
		super( element, errCode );
	}
	/**
	 * Constructs a SemanticError with the default serious level.
	 *