How To Fix FDT_CORE069 - &1 is not a valid language key

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_CORE - Formula & Derivation Tool: Core

• Message number: 069

• Message text: &1 is not a valid language key

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 FDT_CORE069 - &1 is not a valid language key ?

  The SAP error message FDT_CORE069 indicates that the specified language key is not valid. This error typically occurs in the context of SAP Fiori or when working with the FDT (Form Data Transfer) framework, where language keys are used to identify the language in which data is being processed or displayed.
  Cause:
  
  Invalid Language Key: The language key provided in the system does not match any of the valid language keys defined in the SAP system.
  Missing Language Configuration: The language may not be installed or configured in the SAP system.
  Typographical Error: There may be a typo in the language key being used.
  Custom Development Issues: If there are custom developments or enhancements, they may be using an incorrect or unsupported language key.
  
  Solution:
  
  
  Check Language Key: Verify that the language key you are using is correct. Common language keys include:
  
  EN for English
  DE for German
  FR for French
  ES for Spanish
  etc.
  
  
  
  Install Language: If the language key is valid but not installed, you may need to install the language in your SAP system. This can be done through transaction SMLT (Language Transport) or by contacting your SAP Basis team.
  
  
  Configuration Check: Ensure that the language is properly configured in the system. You can check the available languages in the system using transaction SMLT or SE63 (Translation).
  
  
  Review Custom Code: If the error arises from custom code, review the code to ensure that it is using valid language keys. Update the code to handle unsupported or invalid language keys appropriately.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this issue. Sometimes, there are known issues or patches that can resolve specific error messages.
  
  
  Testing: After making changes, test the functionality again to ensure that the error is resolved.
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SMLT: Language Transport
  SE63: Translation
  SE11: Data Dictionary (to check language-dependent tables)
  
  
  
  SAP Documentation: Refer to the official SAP documentation for more details on language keys and their usage within the SAP system.
  
  
  SAP Community: You can also search for discussions or similar issues in the SAP Community forums, where other users may have encountered and resolved the same error.
  
  
  If the issue persists after trying the above solutions, consider reaching out to your SAP support team for further assistance.