How To Fix TWBA043 - Recipient &1 not known in Service system

SAP Error Message - Details

• Message type: E = Error

• Message class: TWBA - Test case attribute messages

• Message number: 043

• Message text: Recipient &1 not known in Service system

What causes this issue?

The recipient &V1& of the problem message to be created does not have a
valid Service system user.

System Response

The problem message was not created.

How to fix this error?

Inform user &V1&.

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 TWBA043 - Recipient &1 not known in Service system ?

  The SAP error message TWBA043 indicates that the system is unable to recognize the recipient specified in the service system. This error typically occurs in the context of SAP Business Workflow or when sending messages or notifications to users or systems.
  Cause:
  The error can be caused by several factors, including:
  
  Incorrect Recipient ID: The recipient ID (user, group, or organization) specified in the workflow or message is incorrect or does not exist in the system.
  Missing User Master Record: The user master record for the specified recipient may not be created or may be inactive.
  Incorrect Configuration: The configuration for the service system or the workflow may not be set up correctly, leading to the inability to resolve the recipient.
  Authorization Issues: The user or system may not have the necessary authorizations to access the recipient information.
  
  Solution:
  To resolve the TWBA043 error, you can take the following steps:
  
  
  Verify Recipient ID:
  
  Check the recipient ID specified in the workflow or message. Ensure that it is correct and corresponds to an existing user or group in the system.
  
  
  
  Check User Master Record:
  
  Go to transaction code SU01 and enter the recipient ID to check if the user master record exists. If it does not exist, create it or activate it if it is inactive.
  
  
  
  Review Workflow Configuration:
  
  If the error occurs in a workflow, review the workflow configuration to ensure that the recipient is correctly defined. Use transaction code SWDD to check the workflow definition.
  
  
  
  Check Authorization:
  
  Ensure that the user or system has the necessary authorizations to access the recipient information. You can use transaction code SU53 to analyze authorization issues.
  
  
  
  Test with Different Recipients:
  
  If possible, test the workflow or message with different recipients to see if the issue is specific to one recipient or a broader configuration issue.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  SU01: User Maintenance
  SWDD: Workflow Builder
  SU53: Display Authorization Check
  
  
  SAP Documentation: Refer to the official SAP documentation for workflows and user management for more detailed information on configuration and troubleshooting.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the TWBA043 error in your SAP system.