How To Fix C$491 - Conversion of user settings to "&1" and "&2"

SAP Error Message - Details

• Message type: E = Error

• Message class: C$ -

• Message number: 491

• Message text: Conversion of user settings to "&1" and "&2"

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 C$491 - Conversion of user settings to "&1" and "&2" ?

  The SAP error message C$491 typically indicates an issue with the conversion of user settings, specifically when there is a problem with the user profile or the settings that are being converted. This error can occur during various operations, such as when a user logs in or when certain transactions are executed.
  Cause:
  
  Profile Corruption: The user profile may be corrupted or contain invalid entries.
  Incompatible Settings: The settings being converted may not be compatible with the current system configuration or version.
  Missing Authorizations: The user may lack the necessary authorizations to access certain settings or profiles.
  System Upgrade: If the system has recently been upgraded, some user settings may not have been properly migrated.
  
  Solution:
  
  Check User Profile: Review the user profile settings in transaction SU01. Look for any inconsistencies or invalid entries.
  Reset User Settings: If possible, reset the user settings to default and then reconfigure them as needed.
  Authorization Check: Ensure that the user has the necessary authorizations to access the settings being converted. This can be checked in transaction SU53 or by reviewing the user's roles and authorizations.
  Profile Re-creation: If the profile is corrupted, consider re-creating the user profile or copying it from a working profile.
  System Logs: Check the system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide patches or updates.
  
  Related Information:
  
  Transaction Codes: 
  
  SU01: User Maintenance
  SU53: Authorization Check
  SM21: System Log
  
  
  SAP Support: If the issue persists, consider reaching out to SAP Support for further assistance, providing them with the error message details and any relevant logs.
  Documentation: Review SAP documentation related to user management and profile settings for best practices and troubleshooting steps.
  
  By following these steps, you should be able to identify and resolve the issue related to the C$491 error message in SAP.