3719989 - Error message AA633 appears when changing depreciation key in manage fixed assets app - SAP S/4HANA Cloud Public Edition

Error message AA633 - "Manual depreciation not allowed with depreciation key" occurs when attempting to create a new interval with an automatic forecast  depreciation key in the Manage Fixed Assets

SAP S/4HANA Cloud Public Edition

1. Open manage fixed assets app
2. Add interval
3. Change depreciation key from MANU to an automatic depreciation key;
4. Save.

If the depreciation key used is a manual depreciation key and there have been some manual depreciation posted on the asset it is not longer possible to change it to a depreciation key with automatic calculation.

1. Reverse the manually posted ordinary depreciation
2. Add the interval with an automatic forecast  depreciation key 
3. Save

error aa633, manage fixed assets, create depreciation intervals, manual depreciation, depreciation key, ledger 0L, interval configuration, linear depreciation, unplanned depreciation, planned depreciation, SAP S/4HANA Cloud , KBA , FI-AA-AA-A-2CL , Master Data (Public Cloud) , Problem