How To Fix BC099 - Error & converting the user name

SAP Error Message - Details

• Message type: E = Error

• Message class: BC - Scheduler (calendar)

• Message number: 099

• Message text: Error & converting the user name

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 BC099 - Error & converting the user name ?

  The SAP error message BC099 typically indicates an issue with converting a user name, which can occur in various contexts, such as during user authentication or when processing user-related data. Here are some common causes, potential solutions, and related information for this error:
  Causes:
  
  Invalid User Name Format: The user name may not conform to the expected format or length.
  Character Encoding Issues: There may be issues with character encoding, especially if special characters are involved.
  Database Issues: The user data in the database may be corrupted or improperly formatted.
  User Not Found: The specified user may not exist in the system.
  Authorization Issues: The user may not have the necessary permissions to perform the action.
  
  Solutions:
  
  Check User Name Format: Ensure that the user name adheres to the required format and length as specified by your SAP system.
  Verify User Existence: Use transaction codes like SU01 (User Maintenance) to check if the user exists in the system.
  Character Encoding: Ensure that the character encoding settings in your SAP system are correctly configured to handle special characters.
  Database Consistency Check: Run consistency checks on the user data in the database to identify and fix any corruption.
  Authorization Check: Verify that the user has the necessary authorizations to perform the action that triggered the error.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SU01 (User Maintenance), SU10 (Mass User Maintenance), and SUIM (User Information System) for managing user accounts.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the context in which it occurred.
  System Logs: Check the system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to diagnose and resolve the BC099 error related to user name conversion in SAP.