Cannot create & (identical to system standard)

What causes this issue?

You tried to create an application standard that is identical to the
existing system standard. The system standard is valid for your
application, which is why you cannot create an application standard
that is exactly the same.

System Response

An application standard must differ from the system standard.

How to fix this error?

Use the system standard for your application if the translation
applies.

Error message extract from SAP system. Copyright SAP SE.