How To Fix SIAG_MSG641 - Select logon language

SIAG_MSG641 - Overview

• Message type: E = Error

• Message class: SIAG_MSG - GRC Plug-Ins message class

• Message number: 641

• Message text: Select logon language

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SIAG_MSG641 - Select logon language ?

  The SAP error message SIAG_MSG641 typically indicates that the system is prompting the user to select a logon language during the login process. This can occur for various reasons, and understanding the cause and potential solutions can help resolve the issue.
  
  Cause:
  
  Missing Logon Language: The user may not have a default logon language set in their user profile.
  System Configuration: The SAP system may not be configured to support the default logon language for the user.
  User Profile Issues: There may be issues with the user profile or settings that prevent the system from recognizing the preferred logon language.
  
  
  Solution:
  
  Select Logon Language: When prompted, manually select a logon language from the available options in the dropdown menu on the login screen.
  Set Default Logon Language:
  After logging in, navigate to the user settings (transaction code SU01).
  Enter your user ID and click on the "Change" button.
  In the "Defaults" tab, set the "Logon Language" to your preferred language