How To Fix SLS_LO_GAF_EWB138 - Data type LANG (language key) of field &1 forces conversion exit ISOLA

SAP Error Message - Details

• Message type: E = Error

• Message class: SLS_LO_GAF_EWB - GAF Enh WB Msg for LO based FPM config sales UI

• Message number: 138

• Message text: Data type LANG (language key) of field &1 forces conversion exit ISOLA

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SLS_LO_GAF_EWB138 - Data type LANG (language key) of field &1 forces conversion exit ISOLA ?

  The SAP error message SLS_LO_GAF_EWB138 indicates that there is an issue with the data type of a field that is expected to hold a language key (LANG). The error specifically mentions that the field is forcing a conversion exit called ISOLA. This typically occurs when there is a mismatch in the expected format of the language key, which is usually a two-character code (like 'EN' for English, 'DE' for German, etc.).
  Cause:
  
  Data Type Mismatch: The field in question is expected to be of a specific data type (usually CHAR with a length of 2 for language keys), but the data being passed does not conform to this expectation.
  Incorrect Data Input: The value being assigned to the language key field may be longer than two characters or may contain invalid characters.
  Conversion Exit Issue: The conversion exit ISOLA is used to convert the language key into a format that SAP can understand. If the input does not meet the criteria for this conversion, the error will occur.
  
  Solution:
  
  Check Field Length: Ensure that the value being assigned to the language key field is exactly two characters long. If it is longer or shorter, adjust it accordingly.
  Validate Input Data: Make sure that the input data for the language key is valid. It should only contain valid language codes recognized by SAP.
  Review Conversion Exit: If you are using a custom program or enhancement, check the implementation of the conversion exit ISOLA to ensure it is correctly handling the input data.
  Debugging: If you have access to debugging tools, you can set breakpoints to see what value is being passed to the field and trace back to where the incorrect value is being set.
  Consult Documentation: Review SAP documentation or help resources related to language keys and conversion exits for additional context and examples.
  
  Related Information:
  
  Language Key in SAP: The language key is a critical part of SAP's internationalization features, allowing the system to display text in different languages based on user settings.
  Conversion Exits: Conversion exits in SAP are used to convert data from one format to another, often used for formatting purposes. ISOLA is specifically used for language keys.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message, as there may be updates or fixes provided by SAP.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.