3523446 - Error KI344 happens with app Reassign Costs and Revenues

During posting with app Reassign Costs and Revenues, error KI344 occurs:

"Do not use cost element &1 for Manual Cost Allocation".

SAP S/4HANA Cloud Public Edition

With app Reassign Costs and Revenues, information regarding the value flow and quantity gets lost. This means that e.g. actual price calculations would not work any longer values are reposted using app Reassign Costs and Revenues. So system prevent the posting with cost element category 43.

Reassignment of activity allocations can be done via app "Manage Direct Activity Allocation", button "Repost".

KBA , CO-FIO-CCA-TRA-2CL , Transactions (Public Cloud) , Problem

SAP S/4HANA Cloud Public Edition all versions ; SAP S/4HANA Cloud all versions