Selection version & does not exist (please check entry)

What causes this issue?

The program has asked you to enter the name of the selection version
that you want to delete. The selection version & that you entered does
not, however, exist.

System Response

Nothing has been deleted.

How to fix this error?

You can exit the program ("Cancel") or alternatively, you can enter the
name of an existing selection version. (You can use F4 Help to find the
selection version you are looking for).

Error message extract from SAP system. Copyright SAP SE.