How To Fix /AIF/CUSTOM_FUNCTION027 - No message ID selected

SAP Error Message - Details

• Message type: E = Error

• Message class: /AIF/CUSTOM_FUNCTION -

• Message number: 027

• Message text: No message ID selected

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /AIF/CUSTOM_FUNCTION027 - No message ID selected ?

  The SAP error message /AIF/CUSTOM_FUNCTION027 No message ID selected typically occurs in the context of the Application Interface Framework (AIF) when there is an issue with the configuration or execution of a custom function module that is expected to process messages. Here’s a breakdown of the potential causes, solutions, and related information for this error:
  Causes:
  
  
  Missing Message ID: The error indicates that the system is unable to find a message ID that is required for processing. This could be due to a configuration issue where the message ID is not defined or not properly linked to the function module.
  
  
  Incorrect Configuration: The custom function module may not be correctly configured in the AIF settings, leading to the inability to retrieve the necessary message ID.
  
  
  Data Issues: The data being processed may not contain the required fields or may be malformed, leading to the absence of a valid message ID.
  
  
  Custom Logic Errors: If there is custom logic implemented in the function module, it may not be correctly handling the retrieval or assignment of the message ID.
  
  
  Solutions:
  
  
  Check Configuration: Review the AIF configuration for the custom function module. Ensure that the message ID is correctly defined and linked to the appropriate processing logic.
  
  
  Validate Input Data: Ensure that the data being sent to the function module contains all the necessary fields, including the message ID. Validate the structure and content of the incoming messages.
  
  
  Debugging: If you have access to the ABAP development environment, consider debugging the custom function module to trace where the message ID is expected and why it is not being found.
  
  
  Review Custom Logic: If there is custom code involved, review it for any logic that might be preventing the message ID from being set or retrieved correctly.
  
  
  Consult Documentation: Refer to the SAP documentation for AIF and the specific custom function module to ensure that all required configurations and settings are in place.
  
  
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as there may be bug fixes related to AIF and custom function modules.
  
  
  Related Information:
  
  
  SAP Notes: Check SAP Notes for any known issues or fixes related to the error message. You can search for the error message or related keywords in the SAP Support Portal.
  
  
  AIF Documentation: Review the official SAP documentation on the Application Interface Framework for best practices and configuration guidelines.
  
  
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it. If the issue persists, consider reaching out to SAP support for further assistance.