Generation not possible since element exists with same name

What causes this issue?

You wanted to have an container element generated other than the
proposed element. However, a container element with this name already
exists.

System Response

The generation cannot be performed.

How to fix this error?

If the proposed binding is not to be added, deselect the entry and
create the desired element and binding manually.

Error message extract from SAP system. Copyright SAP SE.