How To Fix /SAPAPO/MD360 - User & unknown (Enter an existing SAP user)

/SAPAPO/MD360 - Overview

• Message type: E = Error

• Message class: /SAPAPO/MD -

• Message number: 360

• Message text: User & unknown (Enter an existing SAP 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.

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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 /SAPAPO/MD360 - User & unknown (Enter an existing SAP user) ?

  The SAP error message /SAPAPO/MD360 User & unknown (Enter an existing SAP user) typically occurs in the SAP Advanced Planning and Optimization (APO) module when a user tries to execute a transaction or function that requires a valid SAP user ID, but the system cannot recognize the provided user ID.
  
  Cause:
  
  Invalid User ID: The user ID entered does not exist in the SAP system.
  User Deactivation: The user ID may exist but is deactivated or locked.
  Authorization Issues: The user may not have the necessary authorizations to perform the action.
  System Configuration: There may be configuration issues in the APO system that prevent the recognition of the user.
  
  
  Solution:
  
  Check User ID: Verify that the user ID entered is correct. Ensure there are no typos or incorrect characters.
  User Existence: Use transaction code SU01 to check if the user ID exists in the system. If it does not exist, you will need to create it or use