Asset Command Center

Hello, we've just started reviewing the Command Center for assets and I have a few questions.

- What would cause the NBV of the assets to be shown incorrectly while the Asset Cost and Accumulated Depreciation are shown correctly.  (ie Asset Cost = 182435.90, Accumulated Depreciation = 119721.52 but NBV shows as -35,381.54, the values for Asset Cost and accumulated depreciation match the values for the corporate book. Note - i've noticed that where the NBV doesn't match for certain assets, those assets have had an amortized adjustment applied.  (This asset has a tax book application as well but I wouldn't expect that to be an issue)