Pre-notified items &1 / &2 cannot be cleared

What causes this issue?

&V1& Item &V2& document is already pre-notified (pre-notification &V3&)
and so can only be cleared by payment run.

System Response

Clearing is rejected.

How to fix this error?

If the item is to be cleared by another process, cancel pre-notification
&V3& beforehand.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.