How To Fix WSTRN030 - Language key &1 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: WSTRN - Message for Prepack Creation and Planning Dialog

• Message number: 030

• 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WSTRN030 - Language key &1 does not exist ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WSTRN030 Language key &1 does not exist
  
  Cause:
  This error occurs when the system tries to process or reference a language key (language code) that is not defined or does not exist in the SAP system's language master data. The placeholder &1 will be replaced by the actual language key that caused the error.
  Common scenarios include:  
  
  A language key is used in a transaction, report, or data upload that is not maintained in the system.  
  A language key is specified in customizing or master data but has not been created or activated in the system.  
  Data migration or interface programs try to use a language key that is invalid or unknown to the SAP system.
  
  
  Solution:
  
  
  Check the Language Key:
  
  Identify the language key causing the error (the value in place of &1).
  
  
  Verify Language Key in SAP:  
  
  Go to transaction SMLT (Maintain Language Codes).  
  Check if the language key exists in the system.
  
  
  
  Add or Activate the Language Key:  
  
  If the language key does not exist, you can add it in SMLT if it is a valid SAP language key.  
  If the language key is a custom or non-standard language, you may need to create it or request SAP support for adding it.
  
  
  
  Correct the Data or Configuration:  
  
  If the language key is incorrect or mistyped in master data, customizing, or interface files, correct it to a valid language key.  
  For data migration or interface errors, ensure the source data uses valid language keys.
  
  
  
  Transport and Test:
  
  After adding or correcting the language key, transport the changes if necessary and test the process again.
  
  
  
  Related Information:
  
  Transaction SMLT: Used to maintain language keys in SAP.  
  SAP Language Codes: SAP uses standard language codes like EN (English), DE (German), FR (French), etc. Custom languages are rare and require special handling.  
  Note: Adding a new language key does not automatically install the language pack or translations; it only registers the language key in the system.  
  Interface Programs: When integrating with external systems, ensure language keys are consistent and valid in SAP.
  
  
  If you need to check the list of valid language keys, you can also refer to SAP Note or documentation on supported languages.
  
  Summary:
  
  The error WSTRN030 Language key &1 does not exist means the system encountered an unknown language key. The fix is to verify and maintain the language key in transaction SMLT or correct the data/configuration using the invalid language key.
  
  If you want, I can help you with the exact steps in transaction SMLT or provide a sample correction approach.