How To Fix /AIF/CUSTOM_FUNCTION018 - Language &1 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: /AIF/CUSTOM_FUNCTION -

• Message number: 018

• Message text: Language &1 does not exist

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /AIF/CUSTOM_FUNCTION018 - Language &1 does not exist ?

  The SAP error message /AIF/CUSTOM_FUNCTION018 Language &1 does not exist typically indicates that the system is trying to process a language that is not recognized or not available in the SAP system. This error is often encountered in the context of the Application Interface Framework (AIF) when dealing with language-specific data.
  Cause:
  
  Missing Language Configuration: The specified language (denoted by &1 in the error message) is not configured in the SAP system.
  Incorrect Language Code: The language code being used might be incorrect or misspelled.
  Data Issues: The data being processed may reference a language that is not supported or has not been activated in the system.
  
  Solution:
  
  
  Check Language Configuration:
  
  Go to transaction SMLT (Language Transport) to check if the language is installed and activated in your SAP system.
  If the language is not available, you may need to install it using transaction SMLT or consult with your SAP Basis team.
  
  
  
  Verify Language Code:
  
  Ensure that the language code being used in your AIF configuration or data is correct. Common language codes include EN for English, DE for German, etc.
  Check the source of the data to ensure that it is providing the correct language code.
  
  
  
  Update AIF Configuration:
  
  If you are using AIF, check the configuration settings to ensure that the language settings are correctly defined.
  Review the interface configuration and ensure that it supports the languages you intend to use.
  
  
  
  Data Validation:
  
  Validate the incoming data to ensure that it does not reference unsupported languages.
  If the data is coming from an external system, ensure that the external system is configured to send the correct language codes.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to AIF and language handling for any specific guidance or updates.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  AIF Documentation: Review the official SAP documentation for the Application Interface Framework for best practices and configuration guidelines.
  Language Settings: Familiarize yourself with the language settings in SAP, including how to add or remove languages and the implications for data processing.
  
  If the issue persists after following these steps, it may be beneficial to engage with SAP support or your internal SAP team for further investigation.