Cancelation of a cancelation Billing document in SD

Dear All,

Good Day!!

SD Invoice created in Fiscal Year 2007, but user mistakenly canceled the SD billing document using VF11 transaction code on 2016/04/14.

Hence let me know the process how to cancel/Revert the "canceled SD billing document" and please note that for the canceled billing document does not posted to accounting due the reason of accounting period closed.

Also, we would like to know how to revert back canceled sd billing document without creating accounting document in current year.

Thank you for your support.

Best Regards.

Vamsi