Check whether an off-line database backup exists

What causes this issue?

You should only execute the function if there is an off-line database
backup for the entire system which you can then access if problems
occur.

System Response

How to fix this error?

Make sure that a database backup exists. If this is not the case,
there is no guarantee for the consistency of data if processing is
terminated during the conversion (for example, programming error).

Error message extract from SAP system. Copyright SAP SE.