EA271 - Name '&' does not correspond to naming convention

SAP Error Message - Details

• Message type: E = Error

• Message class: EA - IDoc Basis Messages

• Message number: 271

• Message text: Name '&' does not correspond to naming convention

What causes this issue?

Name '&v1&' is not in accordance with the naming conventions.

System Response

This name cannot be used.

How to fix this error?

Please choose a valid name.
Valid names are either in a prefix namespace or
for SAP segments in namespace 'E1',
for segments in customer namespace in namespace 'Z1' or 'Y'.

Error message extract from SAP system. Copyright SAP SE.