Meter reading orders still exist for the devices to be removed

What causes this issue?

Future meter reading orders are deleted when you save.

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?

You have to create new meter reading orders for these devices or for
the devices to be installed.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.