Bill. order of inst. &1 with sched. bill date &2 does not belong to instG

What causes this issue?

The billing order of installation &v1& with the scheduled meter reading
date &v2 was simulated during the billing of primary installation &v3&.
However, one of the following historical characteristics of installation
&v1& has changed in the billing period of the simulation document.
<DS:DE.INSTROLE>Installation role</>
<DS:DE.MAININST>Primary installation key</>
<DS:DE.INSTGRTYPE>Grouping type</> of the primary installation
These changes are not permitted.

System Response

Primary installation billing is cancelled.

How to fix this error?

You have the following options:
Change the historical characteristics of installation &v1&.
Bill installation &v1& up to the date the changes were made.

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.