How To Fix ESH_CU_TM028 - &1 is not a valid language code (ISO)

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_CU_TM - ES: Term Mapping

• Message number: 028

• Message text: &1 is not a valid language code (ISO)

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_CU_TM028 - &1 is not a valid language code (ISO) ?

  The SAP error message ESH_CU_TM028 indicates that the system has encountered an invalid language code (ISO) during a process related to the Enterprise Search or the SAP NetWeaver system. This error typically arises when the system is trying to process a language code that does not conform to the ISO 639 standard, which defines codes for the representation of names of languages.
  Cause:
  
  Invalid Language Code: The language code provided in the configuration or during a transaction is not recognized as a valid ISO language code.
  Configuration Issues: There may be a misconfiguration in the system settings where the language code is defined.
  Data Entry Error: A typo or incorrect entry in the language code field can lead to this error.
  Missing Language Support: The language may not be installed or supported in the SAP system.
  
  Solution:
  
  Check Language Code: Verify the language code being used. Ensure it is a valid ISO 639 language code (e.g., 'EN' for English, 'DE' for German).
  Configuration Review: Go to the relevant configuration settings in the SAP system and check if the language code is correctly defined.
  
  You can check the settings in transaction SMLT (for language transport) or SPRO (for project reference).
  
  
  Install Missing Languages: If the language code is valid but not supported, you may need to install the corresponding language in the SAP system.
  
  This can be done through transaction SMLT or by using the language installation tools provided by SAP.
  
  
  Correct Data Entry: If the error is due to a data entry mistake, correct the entry and try the operation again.
  Consult Documentation: Refer to SAP documentation or help resources for more information on valid language codes and their usage.
  
  Related Information:
  
  ISO 639 Standard: Familiarize yourself with the ISO 639 standard for language codes to ensure compliance.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.