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