How To Fix 00159 - The logon language does not match system code page &

SAP Error Message - Details

• Message type: E = Error

• Message class: 00 -

• Message number: 159

• Message text: The logon language does not match system code page &

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 00159 - The logon language does not match system code page & ?

  The SAP error message "00159 The logon language does not match system code page &" typically occurs when there is a mismatch between the logon language specified by the user and the system's code page settings. This can lead to issues with character encoding, especially when dealing with special characters or different languages.
  Cause:
  
  Logon Language Mismatch: The user is trying to log in using a language that is not supported by the system's code page.
  System Code Page Configuration: The SAP system is configured with a specific code page that does not support the characters of the logon language.
  Client Settings: The client settings in SAP may not be configured to support the desired logon language.
  
  Solution:
  
  
  Change Logon Language: 
  
  When logging in, select a logon language that matches the system's code page. You can do this by choosing a different language from the logon screen.
  
  
  
  Check System Code Page:
  
  Consult with your SAP Basis administrator to check the system's code page settings. The code page can be found in the system profile or by using transaction code RZ10.
  Ensure that the code page supports the characters of the desired logon language.
  
  
  
  Client Configuration:
  
  Verify the client settings in transaction SCC4. Ensure that the client is configured to support the desired logon language.
  If necessary, create a new client with the appropriate settings.
  
  
  
  SAP Notes:
  
  Check for any relevant SAP Notes that may address this issue. SAP frequently updates its knowledge base with solutions for common problems.
  
  
  
  User Profile Settings:
  
  Ensure that the user profile settings do not restrict the logon language. This can be checked in transaction SU01 under the user’s profile.
  
  
  
  Related Information:
  
  Code Pages: Code pages define how characters are represented in the system. Different languages may require different code pages.
  SAP Language Support: SAP supports multiple languages, but not all languages are supported by all code pages. It's essential to ensure compatibility.
  SAP Basis Team: If you are unable to resolve the issue, it may be necessary to involve your SAP Basis team for further investigation and configuration changes.
  
  By following these steps, you should be able to resolve the error message and successfully log into the SAP system.