Bug 135790 ClassCastException in RowData.
ClassCastException is thrown in RowData line 81(IBaseExpression expr = ( IBaseExpression ) valueExpressions.get( index - 1 );).
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/parser/EngineIRVisitor.java
}
	protected String decodePageBreak( String pageBreak )
	{
		if ( pageBreak == null )
		{
			return null;
		}
		if ( DesignChoiceConstants.PAGE_BREAK_AFTER_ALWAYS.equals( pageBreak ) )
		{
			return IStyle.CSS_ALWAYS_VALUE;
		}
		if ( DesignChoiceConstants.PAGE_BREAK_AFTER_ALWAYS_EXCLUDING_LAST
				.equals( pageBreak ) )
		{
			return IStyle.CSS_ALWAYS_VALUE;
		}
		if ( DesignChoiceConstants.PAGE_BREAK_AFTER_AUTO.equals( pageBreak ) )
		{
			return IStyle.CSS_AUTO_VALUE;
		}
		if ( DesignChoiceConstants.PAGE_BREAK_AFTER_AVOID.equals( pageBreak ) )
		{
			return IStyle.CSS_AVOID_VALUE;
		}
		if ( DesignChoiceConstants.PAGE_BREAK_BEFORE_ALWAYS.equals( pageBreak ) )
		{
			return IStyle.CSS_ALWAYS_VALUE;
		}
		if ( DesignChoiceConstants.PAGE_BREAK_BEFORE_ALWAYS_EXCLUDING_FIRST
				.equals( pageBreak ) )