How To Fix TFW_API001 - Language key '&1' does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: TFW_API - Messages for TFW APIs

• Message number: 001

• Message text: Language key '&1' does not exist

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message TFW_API001 - Language key '&1' does not exist ?

  The SAP error message TFW_API001, which states "Language key '&1' does not exist," typically occurs when the system is trying to access a language that is not defined or available in the SAP system. This can happen in various scenarios, such as when a user tries to log in with a language that is not supported or when a program or transaction is attempting to retrieve data in a specific language that has not been configured.
  Cause:
  
  Missing Language Configuration: The specified language key (e.g., 'EN', 'DE', etc.) is not installed or configured in the SAP system.
  User Profile Settings: The user profile may be set to a language that is not available in the system.
  Custom Development: Custom programs or enhancements may be trying to access a language that has not been defined.
  Transport Issues: If language packs were not transported correctly, it could lead to this error.
  
  Solution:
  
  
  Check Installed Languages:
  
  Go to transaction code SMLT (Language Transport) to check which languages are installed in your SAP system.
  If the required language is not listed, you may need to install it using the appropriate language installation process.
  
  
  
  User Profile Settings:
  
  Check the user settings in transaction SU01 (User Maintenance) to ensure that the language is set to one that is available in the system.
  If necessary, change the language setting to a valid one.
  
  
  
  Review Custom Code:
  
  If the error is occurring in a custom program, review the code to ensure that it is not trying to access an unsupported language.
  Modify the code to handle cases where the language may not be available.
  
  
  
  Transport Language Packs:
  
  If the language was supposed to be included in a transport request, ensure that the transport was executed successfully and that the language pack is available in the target system.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  
  
  System Administrator:
  
  If you are not able to resolve the issue, contact your SAP Basis administrator or support team for assistance. They can help with language installations and configurations.
  
  
  
  Related Information:
  
  Language Keys: Language keys are typically two-character codes (e.g., 'EN' for English, 'DE' for German).
  SAP Documentation: Refer to SAP Help documentation for more details on language settings and configurations.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SMLT, SU01, and SE63 (for translation) for managing languages in SAP.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.