if 'DEFAULT' not in pcd.SkuInfoList.keys() and 'COMMON' not in pcd.SkuInfoList.keys():              
                valuefromDec = pcdDecObject.DefaultValue
                SkuInfo = SkuInfoClass('DEFAULT', '0', SkuInfoObj.VariableName, SkuInfoObj.VariableGuid, SkuInfoObj.VariableOffset, valuefromDec)
                pcd.SkuInfoList['DEFAULT'] = SkuInfo
            elif 'DEFAULT' not in pcd.SkuInfoList.keys() and 'COMMON' in pcd.SkuInfoList.keys():