Item &1 does not exist. Item will not be carried forward

What causes this issue?

The dataset to be carried forward does not contain a data record for
the item &V1&. This item does not/no longer exist(s). This is why the
data record is not carried forward.

System Response

Processing continues.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.