How To Fix CMMD034 - Language key does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: CMMD -

• Message number: 034

• Message text: Language key 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 CMMD034 - Language key does not exist ?

  The SAP error message CMMD034: Language key does not exist typically occurs when the system is unable to find the specified language key in the database. This can happen in various contexts, such as when trying to display texts, descriptions, or other language-dependent data.
  Causes:
  
  Missing Language Key: The specified language key (e.g., 'EN' for English, 'DE' for German) is not defined in the system.
  Incorrect Language Configuration: The language settings in the user profile or system configuration may not match the available languages in the system.
  Data Inconsistency: There may be inconsistencies in the data where the language key is referenced but not properly maintained.
  Transport Issues: If the language key was recently added or modified, there may have been issues during the transport of language data.
  
  Solutions:
  
  
  Check Language Settings:
  
  Go to transaction SU01 (User Maintenance) and check the language settings for the user profile. Ensure that the language key is valid and corresponds to an existing language in the system.
  
  
  
  Verify Language Availability:
  
  Use transaction SMLT (Language Transport) to check if the language key is available in the system. If it is missing, you may need to install the language using the appropriate language installation process.
  
  
  
  Maintain Language-Specific Data:
  
  If the error occurs while accessing specific data (like texts or descriptions), ensure that the relevant language-specific data is maintained in the respective tables. You can use transactions like SE11 (Data Dictionary) to check the relevant tables.
  
  
  
  Check for Transport Issues:
  
  If the language key was recently added or modified, ensure that the transport requests were successfully imported. You can check the transport logs for any errors.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  
  
  
  System Restart:
  
  In some cases, a system restart may help if the issue is related to temporary inconsistencies.
  
  
  
  Related Information:
  
  Language Keys: Language keys are typically defined in the system and can be viewed in transaction SE63 (Translation).
  User Profile: Each user can have a default language set in their profile, which can affect how data is displayed.
  SAP Documentation: Refer to SAP Help documentation for more details on language settings and configurations.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.