Billing document & corresponding to reversal document & does not exist

What causes this issue?

The reversal billing document &V2& has not yet been released to
Financial Accounting. In this case, the cancelled billing document &V1&
must likewise not yet have been released to Financial Accounting.
Billing document &V1& no longer exists in the system.

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?

Either the document has been archived or a program error occurred.
Contact your system administrator.

Error message extract from SAP system. Copyright SAP SE.