/AIF/CUSTOM_FUNCTION089 - Custom function type is empty; enter a valid value

SAP Error Message - Details

• Message type: E = Error

• Message class: /AIF/CUSTOM_FUNCTION -

• Message number: 089

• Message text: Custom function type is empty; enter a valid value

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.

AnswerBot

• What is the cause and solution for SAP error message /AIF/CUSTOM_FUNCTION089 - Custom function type is empty; enter a valid value ?

  The SAP error message /AIF/CUSTOM_FUNCTION089 Custom function type is empty; enter a valid value typically occurs in the context of the Application Interface Framework (AIF) in SAP. This error indicates that a required field for a custom function type is not filled in, which is necessary for the system to process the request correctly.
  Cause:
  
  Missing Input: The error is primarily caused by the absence of a value in the custom function type field. This could happen if the user did not provide the necessary input when calling a custom function.
  Configuration Issues: There may be issues in the configuration of the AIF or the custom function itself, leading to the system not recognizing the function type.
  Programming Errors: If the custom function is developed using ABAP, there might be programming errors or missing logic that fails to set the function type correctly.
  
  Solution:
  
  Check Input Values: Ensure that the custom function type field is filled with a valid value before executing the function. This may involve checking the user interface or the data being passed to the function.
  Review Configuration: Go to the AIF configuration settings and verify that the custom function type is correctly defined and configured. Ensure that all necessary parameters are set up properly.
  Debugging: If you have access to the ABAP code, you can debug the custom function to see where the function type is being set and why it might be empty. Look for any conditions that might prevent the function type from being assigned a value.
  Consult Documentation: Review any documentation related to the custom function and AIF to ensure that you are following the correct procedures and that all required fields are being populated.
  Error Handling: Implement error handling in the custom function to provide more informative messages or to set default values if the function type is not provided.
  
  Related Information:
  
  AIF Documentation: Refer to the official SAP documentation for the Application Interface Framework for more details on configuring and using custom functions.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Community Forums: Engage with the SAP community forums or SAP Community Network (SCN) for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.