old veriosn DDR2 IP can not open by new verion Quartus Megawizard

https://alteraforum.com/forum/attachment.php?attachmentid=14365&stc=1 here are sevreal IP generated by old Quartus Megwizard .Only DDR2.V can not be opend.https://alteraforum.com/forum/attachment.php?attachmentid=14364&stc=1 https://alteraforum.com/forum/attachment.php?attachmentid=14364&stc=1

the error message: Specify a valid MegaWizard-generated variation file