How To Fix WA138 - The name of & does not begin with X, Y or Z

WA138 - Overview

• Message type: E = Error

• Message class: WA - Messages from Workflow Event Manager

• Message number: 138

• Message text: The name of & does not begin with X, Y or Z

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WA138 - The name of & does not begin with X, Y or Z ?

  SAP Error Message:
  WA138 – The name of & does not begin with X, Y or Z
  
  
  Cause:
  This error occurs when you try to create or use an object (such as a customer, vendor, material, or other master data) whose name or number does not start with the allowed characters X, Y, or Z. In many SAP systems, especially in development or customization environments, naming conventions are enforced to distinguish between different types of objects or to separate client-specific/custom objects from standard SAP objects.
  For example, in customer or vendor master data, the system might be configured to allow only customer/vendor numbers starting with X, Y, or Z in certain clients (like development or test clients) to avoid conflicts with production data.
  
  Typical Scenarios:
  
  Creating a customer or vendor master record in a client where only numbers starting with X, Y, or Z are allowed.
  Creating or naming materials, cost centers, or other master data objects