How To Fix SF338 - Select a structure name that does not start with "Y" or "Z"

SAP Error Message - Details

• Message type: E = Error

• Message class: SF - SAPfind: Message Texts

• Message number: 338

• Message text: Select a structure name that does not start with "Y" or "Z"

What causes this issue?

You have tried to create a structure within the SAP System with a name
taken from the range reserved for customers (i.e. starting with "Y" and
"Z").

System Response

The structure is not created.

How to fix this error?

Choose a name for your new structure that falls into the range reserved
for SAP (initial letter "A" to "X").

Error message extract from SAP system. Copyright SAP SE.