SAP Message AAPO123 - Asset &1 will not be deactivated, it has a net book value

Diagnosis
Asset &V1& &V2& &V3& cannot be deactivated, despite its completeretirement or complete intracompany/intercompany transfer, because thenet book value is not zero in at least one depreciation area.

Procedure
Check the posting and value date of the current transaction. The systemconsiders transactions only if their posting and value date are beforeor the same as the current posting date and value date.
If all transactions have been recognized based on the above criteria,then leave the current transaction without posting the document.'Recalculate values' for the asset. Then post the transaction again.

141656Negative net book value, neg. APC, below zero depreciation