How To Fix TWBA034 - Do not create object in customer namespace

SAP Error Message - Details

• Message type: E = Error

• Message class: TWBA - Test case attribute messages

• Message number: 034

• Message text: Do not create object in customer namespace

What causes this issue?

You tried to create a test case in the reserved generic customer
namespace Y* or Z* without using a prefix.

System Response

The test case cannot be created with this name.

How to fix this error?

Assign a name which does not begin with Y or Z.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TWBA034 - Do not create object in customer namespace ?

  The SAP error message TWBA034: Do not create object in customer namespace typically occurs when a user attempts to create or modify an object (like a program, function module, or class) in a namespace that is reserved for customer-specific developments. In SAP, namespaces are used to differentiate between standard SAP objects and custom objects created by customers.
  Cause:
  
  Namespace Restrictions: The error indicates that the object you are trying to create is in a namespace that is not allowed for customer developments. SAP reserves certain namespaces for its own use (like /SAP/ or SAP/) and restricts customer developments to specific namespaces (like Z* or Y*).
  Incorrect Naming Convention: If you are trying to create an object with a name that does not conform to the naming conventions for customer namespaces, you will encounter this error.
  
  Solution:
  
  Use the Correct Namespace: Ensure that you are creating the object in the correct customer namespace. Typically, this means using a name that starts with Z or Y. For example, instead of creating an object named MY_OBJECT, you should name it Z_MY_OBJECT or Y_MY_OBJECT.
  Check Object Type: Verify the type of object you are trying to create. Some object types may have specific restrictions on where they can be created.
  Authorization: Ensure that you have the necessary authorizations to create objects in the desired namespace. If you do not have the required permissions, contact your SAP administrator.
  Development Class: If you are working within a development class (package), make sure that the package is defined as a customer package. You can check this in the package attributes.
  
  Related Information:
  
  Namespaces in SAP: SAP uses namespaces to manage and organize objects. The standard namespace is reserved for SAP's own objects, while customer namespaces (like Z and Y) are for custom developments.
  Transaction Codes: You can use transaction codes like SE80 (Object Navigator) or SE11 (Data Dictionary) to manage and create objects in the appropriate namespaces.
  SAP Notes: Check SAP Notes for any specific guidance or updates related to this error message, as SAP frequently updates its documentation and error handling procedures.
  
  If you continue to face issues, consider reaching out to your SAP support team or consulting the SAP community for further assistance.