Assets in Review Depreciation Info Show NBV as zero But PS_ASSET_NBV table still shows net book val

Hi Experts,

I am told by my business users that certain assets are showing NBV beyond its life. When I try to review the asset in the 'Review Depreication Info' page the NBV for the asset is shown as zero beyond its life.

But the PS_ASSET_NBV record shows some value as NBV beyond it's life. I see Sum of COST and Sum of DEPR from Depreciation is equal. So I understand that depr calc has calculated properly.

select book, sum(DEPR) from ps_Depreciation where business_unit = 'BU01' and asset_id = '00000008321' group by book;

select book, sum(DEPR) from ps_Depr_rpt where business_unit = '