You are creating an object in the customer name range

What causes this issue?

You are in the process of creating an object in the customer name
range.

System Response

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

How to fix this error?

Please use the appropriate name range. Objects in this name range begin
with 'A' to 'X'.

Error message extract from SAP system. Copyright SAP SE.