How To Fix RSTT0444 - Responsible person with user name '&1' does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: RSTT0 - Trace Tool: Message Class Engine Layer

• Message number: 444

• Message text: Responsible person with user name '&1' 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSTT0444 - Responsible person with user name '&1' does not exist ?

  The SAP error message RSTT0444 indicates that the system is unable to find a responsible person (user) with the specified username (&1). This error typically occurs in the context of transaction management, workflow, or when trying to assign tasks or responsibilities to users in the SAP system.
  Cause:
  
  Non-existent User: The username specified does not exist in the SAP user master data.
  User Deactivation: The user might exist but has been deactivated or locked.
  Incorrect Username: There may be a typo or formatting issue in the username being referenced.
  Authorization Issues: The user may not have the necessary authorizations to be assigned as a responsible person in the context of the transaction.
  User Profile Issues: The user profile may not be correctly set up to be assigned as a responsible person.
  
  Solution:
  
  Verify Username: Check the username for any typos or formatting errors. Ensure that the username is correctly entered.
  Check User Existence:
  
  Use transaction code SU01 to check if the user exists in the system.
  If the user does not exist, you may need to create the user or correct the reference to the appropriate user.
  
  
  User Activation: If the user exists but is locked or deactivated, you can unlock or activate the user in transaction SU01.
  Authorization Check: Ensure that the user has the necessary authorizations to be assigned as a responsible person. This may involve checking roles and profiles assigned to the user.
  User Profile Configuration: Ensure that the user profile is correctly configured to allow the user to be assigned as a responsible person in the relevant context.
  
  Related Information:
  
  Transaction Codes:
  
  SU01: User Maintenance
  SU10: Mass User Maintenance
  PFCG: Role Maintenance (to check roles assigned to the user)
  
  
  User Management: Familiarize yourself with user management best practices in SAP, including how to create, modify, and manage user accounts.
  Authorization Concepts: Understanding SAP authorization concepts can help in troubleshooting issues related to user permissions and roles.
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP Basis or security team for further investigation.