Meter reading results are incorrect for the following devices/registers:

What causes this issue?

The specified devices/registers are incorrect for one of the following
reasons:
Meter reading results required for determining the end of the billing
period are missing for the scheduled meter reading date specified.
Existing meter reading results are incorrect, for example, they have
not been released.

System Response

How to fix this error?

Enter the missing meter reading results or correct the existing ones.

Error message extract from SAP system. Copyright SAP SE.