Solution : https://service.sap.com/sap/support/notes/92260 (SAP Service marketplace login required)
Key words : 
values carried forward, determine correct depreciation, period control reason, subsequent acquisition makes, period control, period controlyou, period controls, subsequent year, subsequent acquisitions, system determines
Related Notes : 
       
| 524701 | linear depreciation - only for Poland | 
| 430684 | Depreciation of Subsequent Acquisitions | 
| 403176 | Inexplicable depreciation values in last year of useful life |