Reversal billing document & corresponding to document & not yet released

What causes this issue?

Reversal document &V1& for billing document &V2& has not yet been
released to Financial Accounting. Document &V2& has already been
released, however.

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?

Release the reversal billing document &V1& for processing by Financial
Accounting. Processing relating to income or provision for accrued
income settled with this document is not possible before you do this.
IF &DEVICE&='SCREEN'
If you have the appropriate authorization, you can release the document
directly. <DS:TRAN.VF02>Change billing document</>
ENDIF
<ZH>Note</>
In Customizing, you can also define billing document types which are
automatically forwarded to Financial Accounting. You will find the
billing document type in the header of document &V2& (choose "Change
billing document").
IF &DEVICE&='SCREEN'
If you have the appropriate authorization, you can change the setting
in Customizing directly.
<DS:SIMG.SIMG_CFMENUOLSDVOFA>Define document types</>
ENDIF

Error message extract from SAP system. Copyright SAP SE.