None or both TTYs should be for retirement of curr-yr acquis. (&1 and &2)

What causes this issue?

The transaction types for retirement of current-year acquisitions are
inconsistent. Either enter a transaction type for retirement of
current-year acquisitions in both transaction type &V1& and transaction
type &V2&, or do not enter it in either of the two transaction types.
Entering it for only one of the two transaction types is not allowed.

System Response

Check the Customizing settings for transaction types.

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.