Change Original Depreciation Start date AS02

Hi Gurus,

I want to change Original Depreciation start Date Appearing in Asset Master Data .

Now I have catch here

Year that I want to change to is already closed

Ex I want to change O Depre Start Date to 1.3.2014 and

Additional details-

Calender Year followed by Company

In OAAQ year 2015 appearing as closed .

AFAR run post changes O Depr Dates in AS02

My question-

1 AFAR is not executing and popping erro wrt closed FY

2 How should this handled end to end and we cannt open Fiscal year here for asset module ,