Closing Project

Hi,

I am trying to close the project via CJ20N, I moved the cost from AUC TO FIX Asset.however i am greeted with following error,

1.Error when processing asset under construction (AuC) for WBS element
IAL-600063-01 .Message no. CJ824

2.It is not possible to deactivate in fiscal year 2012.Message no. AY135

Can anyone please advise .

Thanks