How To Fix MPO016 - User & does not exist; Enter an existing user

SAP Error Message - Details

• Message type: E = Error

• Message class: MPO - Message Class for Manager Portal or Cost Center Monitor

• Message number: 016

• Message text: User & does not exist; Enter an existing user

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 MPO016 - User & does not exist; Enter an existing user ?

  The SAP error message MPO016 ("User & does not exist; Enter an existing user") typically occurs when you are trying to perform an action that requires a user ID that the system cannot recognize. This can happen in various contexts, such as when assigning users to roles, workflows, or other configurations.
  Causes:
  
  Non-existent User ID: The user ID you are trying to use does not exist in the SAP system.
  Incorrect User ID: There may be a typo or formatting issue in the user ID you entered.
  User Deactivation: The user ID may exist but is deactivated or locked in the system.
  Authorization Issues: The user may not have the necessary authorizations to perform the action you are attempting.
  Client-Specific Issues: The user may exist in a different client but not in the one you are currently logged into.
  
  Solutions:
  
  Verify User ID: Double-check the user ID you are entering for any typos or formatting errors.
  Check User Existence:
  
  Use transaction code SU01 to check if the user exists in the system.
  If you have the necessary authorizations, you can search for the user by entering the user ID in the User field and clicking on the display button.
  
  
  User Activation: If the user exists but is locked or deactivated, you may need to unlock or activate the user account using transaction SU01.
  Client Check: Ensure that you are in the correct client where the user is defined. You can check the client in the SAP GUI.
  Authorization Check: Ensure that you have the necessary authorizations to perform the action related to the user ID.
  Consult with Basis Team: If you are unable to resolve the issue, consult with your SAP Basis team or system administrator for further assistance.
  
  Related Information:
  
  Transaction Codes:
  
  SU01: User Maintenance
  SU10: Mass User Maintenance
  SUIM: User Information System
  
  
  User Management: Understanding how user management works in SAP can help prevent such issues. Familiarize yourself with user roles, profiles, and authorizations.
  Documentation: Refer to SAP Help documentation for more details on user management and error handling.
  
  By following these steps, you should be able to identify and resolve the issue related to the MPO016 error message.