No entry possible for meter reading orders transferred: &1(&2)

What causes this issue?

Error &v1& (&v2&) occurred while recording meter reading orders using
method <LS>EnterReadingDocsDocno</>.

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?

To display the long text of the message, look for the error number
under <LS>Tools -> ABAP Workbench -> Development -> Programming
environment -> Messages</>.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.