How To Fix /AIF/CUSTOM_FUNCTION020 - No language selected

/AIF/CUSTOM_FUNCTION020 - Overview

• Message type: E = Error

• Message class: /AIF/CUSTOM_FUNCTION -

• Message number: 020

• Message text: No language 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_FUNCTION020 - No language selected ?

  The SAP error message /AIF/CUSTOM_FUNCTION020 No language selected typically occurs in the context of the Application Interface Framework (AIF) when a language parameter is not specified or is missing in the configuration or during the execution of a function.
  
  Cause:
  
  Missing Language Parameter: The error usually indicates that the system is expecting a language parameter to be provided, but it is either not set or is set to an invalid value.
  
  Configuration Issues: There may be issues in the configuration of the AIF or the custom function that is being called, where the language is not being passed correctly.
  User Profile Settings: The user profile may not have a default language set, leading to the system not knowing which language to use.
  
  
  Solution:
  
  Check Function Parameters: Ensure that the function being called includes a valid language parameter. If you are using a custom function, verify that the language is being passed correctly.
  Set Default Language: Make sure