How To Fix TK401 - Use only as user '&'

SAP Error Message - Details

• Message type: E = Error

• Message class: TK - Transport Organizer

• Message number: 401

• Message text: Use only as user '&'

What causes this issue?

The function or program you called can only be called by user &V1&.

System Response

Processing is terminated.

How to fix this error?

Contact your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TK401 - Use only as user '&' ?

  The SAP error message TK401 ("Use only as user '&'") typically occurs when a user attempts to execute a transaction or function that is restricted to a specific user or user group. This error is often related to authorization issues or system configurations that limit access to certain functionalities.
  Cause:
  
  User Restrictions: The transaction or function is designed to be executed only by a specific user (indicated by the '&' in the error message). This is often a security measure to prevent unauthorized access to sensitive operations.
  Authorization Issues: The user attempting to perform the action does not have the necessary authorizations or roles assigned to them.
  Configuration Settings: The system may have been configured to restrict access to certain transactions based on user profiles or roles.
  
  Solution:
  
  
  Check User Authorization:
  
  Verify if the user has the necessary authorizations to execute the transaction. This can be done by checking the user's roles and profiles in the SAP system.
  Use transaction SU01 to view and modify user authorizations if you have the necessary permissions.
  
  
  
  Contact System Administrator:
  
  If you do not have the necessary permissions to change user roles or authorizations, contact your SAP system administrator or security team. They can review the user's access rights and make adjustments as needed.
  
  
  
  Use the Correct User:
  
  If the transaction is intended to be executed only by a specific user, ensure that you are logged in as that user. If you need to perform the action, you may need to switch to the appropriate user account.
  
  
  
  Review Configuration:
  
  If you are an administrator, review the configuration settings related to user access for the specific transaction. This may involve checking transaction codes, authorization objects, and user groups.
  
  
  
  Related Information:
  
  Authorization Objects: In SAP, authorization objects define the permissions required to perform certain actions. You can check which authorization objects are relevant for the transaction in question.
  Transaction Codes: If you are unsure about the transaction code that triggered the error, you can look it up in the SAP documentation or ask your administrator.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional context.
  
  By following these steps, you should be able to resolve the TK401 error and gain the necessary access to perform the required actions in SAP.