How To Fix /UI5/APP_API161 - Service &1 has the following ACH component: &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI5/APP_API -

• Message number: 161

• Message text: Service &1 has the following ACH component: &2

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /UI5/APP_API161 - Service &1 has the following ACH component: &2 ?

  The SAP error message /UI5/APP_API161 typically indicates an issue related to the Application Programming Interface (API) in the SAP UI5 framework. The message suggests that a specific service has an associated ACH (Application Component Hierarchy) component that may not be configured correctly or is missing.
  Cause:
  
  Service Configuration Issues: The service specified in the error message may not be properly configured in the SAP system.
  Missing or Incorrect ACH Component: The ACH component referenced in the error message may not exist, or there may be a mismatch in the expected configuration.
  Authorization Issues: The user may not have the necessary authorizations to access the specified service or component.
  Transport Issues: If the service was recently transported from one system to another, it may not have been properly activated or configured in the target system.
  
  Solution:
  
  
  Check Service Configuration:
  
  Go to the SAP Gateway Service Builder (transaction code /IWFND/MAINT_SERVICE) and verify that the service is correctly registered and activated.
  Ensure that the service is associated with the correct ACH component.
  
  
  
  Verify ACH Component:
  
  Check the configuration of the ACH component in the SAP system. Ensure that it exists and is correctly set up.
  If the component is missing, you may need to create it or adjust the existing configuration.
  
  
  
  Review Authorizations:
  
  Ensure that the user has the necessary authorizations to access the service and the associated components. You may need to check the roles and authorizations assigned to the user.
  
  
  
  Transport and Activation:
  
  If the service was transported, ensure that all necessary objects were included in the transport request and that they have been activated in the target system.
  You may need to re-activate the service or components if they are not functioning as expected.
  
  
  
  Check Logs and Traces:
  
  Review the application logs (transaction code SLG1) and the Gateway error logs (transaction code /IWFND/ERROR_LOG) for more detailed error messages that can provide additional context.
  
  
  
  Consult Documentation:
  
  Refer to the SAP Help Portal or relevant SAP Notes for any specific guidance related to the error message and the components involved.
  
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with the error details and any troubleshooting steps you have already taken.
  
  By following these steps, you should be able to identify and resolve the issue related to the /UI5/APP_API161 error message.