SAP Message AA896 - You cannot change the investment measure indicator (check your entry)

Diagnosis
You want to change the control as a capital investment measure in theasset class.

System Response
This change is not possible. Assets have already been createdin asset class &V1&.

Procedure
Take back your change of the control, and set the control back tocapital investment measure.
Instead of changing the control function, you should take the newassets in a class into consideration.