Problem in Cancellation of Excise invoice

Hi,

User has created Import PO then he made custom MIRO then GR is done and through J1iex part1 is done. later he realized that there is problem with PO condition for that he has first cancelled the GR then secondly cancelled Custom MIRO. now while doing cancellation of excise invoice in j1iex then below error is throwing

Reverse the material document before cancellation of excise invoice.

So after anaysis of PO in that PO histery got found some amount difference of MIGO delivery cost document. hence i guess this will be the reson of cancellation of excise invoice.

So please provide the solution.

Regards

Rahul