Assets Subledger period Close Exception report shows " Category Reclass " Exception

Hi
Exception Report shows Category Reclass"  Exception in Asset Module.

 It was due to the reason as Once i uploaded the assets in one category and run the depreciation. then I came to know that i need to change the category of some assets that I have changed in the same period and run the depreciation.

But when i run the depreciation it shows the exception. Can anyone tell me how to remove these exceptions.

Thanks

Haider