Enter a value for advanced metering system (AMS)

What causes this issue?

The Advanced Meter Capability Group (AMCG) field contains a value, but
the Advanced Metering System (AMS) field does not.
You must fill both of these fields.

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?

Enter an advanced metering system.
Use the input help to find all valid AMS for this device.

Procedure for System Administrators

You define advanced metering systems in Customizing for <LS>SAP
Utilities</> under <LS>Advanced Metering Infrastructure -> Basic
Settings -> Define Advanced Meter Capabilities</>.

Error message extract from SAP system. Copyright SAP SE.