You cannot manage special depreciation in area &

INCLUDE 'AA_AFA_ERROR' OBJECT DOKU ID TX LANGUAGE E

What causes this issue?

According its Customizing definition, special depreciation cannot be
managed in area &V1&. The posting being processed, however, changes
special depreciation.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check the amount entered and the transaction type.

Error message extract from SAP system. Copyright SAP SE.