Billing document &1 for secondary installation &2 is outsorted

What causes this issue?

When billing the primary installation, consumption values or amounts
were used from billing document &v1& of secondary installation &v2&.
However, billing document &v1& is outsorted.

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.