How To Fix /SCF/UIANOT_MESSAGES020 - Sending user &1 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCF/UIANOT_MESSAGES -

• Message number: 020

• Message text: Sending user &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.

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCF/UIANOT_MESSAGES020 - Sending user &1 does not exist ?

  The SAP error message /SCF/UIANOT_MESSAGES020 Sending user &1 does not exist typically indicates that the system is trying to send a notification or message from a user account that is not recognized or does not exist in the SAP system. This can occur in various scenarios, such as when using the SAP Fiori Launchpad, SAP Workflow, or other communication functionalities.
  Cause:
  
  Non-existent User: The user ID specified in the error message (&1) does not exist in the SAP user master data.
  User Deactivation: The user might exist but has been deactivated or locked in the system.
  Incorrect User ID: There may be a typo or incorrect user ID being referenced in the configuration or code.
  Missing Authorizations: The user may not have the necessary authorizations to perform the action, leading to the system not recognizing the user.
  System Configuration Issues: There may be issues with the configuration of the communication settings or the notification framework.
  
  Solution:
  
  
  Verify User Existence:
  
  Check if the user ID exists in the SAP system by using transaction SU01 (User Maintenance).
  If the user does not exist, create the user with the necessary details.
  
  
  
  Check User Status:
  
  If the user exists, ensure that the user is not locked or deactivated. You can check this in the SU01 transaction.
  If the user is locked, unlock the user.
  
  
  
  Correct User ID:
  
  Review the configuration or code where the user ID is being referenced. Ensure that it is correct and matches an existing user.
  
  
  
  Review Authorizations:
  
  Ensure that the user has the necessary authorizations to send messages or notifications. This may involve checking roles and profiles assigned to the user.
  
  
  
  Check Configuration:
  
  Review the configuration settings related to notifications or messaging in the relevant SAP modules (e.g., SAP Fiori, SAP Workflow).
  Ensure that the communication settings are correctly configured.
  
  
  
  Testing:
  
  After making the necessary changes, test the functionality again to see if the error persists.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SU01: User Maintenance
  SU10: Mass User Maintenance
  PFCG: Role Maintenance (to check roles and authorizations)
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  Documentation: Review SAP documentation related to user management and notification settings for more detailed guidance.
  
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or Security team for further investigation.