Asset transaction was posted with AA document number &

What causes this issue?

The asset transaction was posted with asset document number &V1&.
The asset document number uniquely identifies the business transaction
within Asset Accounting. This number should not be confused with the
document number in Financial Accounting. The system did not create a
financial accounting posting document for this business transaction.

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?

Error message extract from SAP system. Copyright SAP SE.