How To Fix MMPUR_USERDEF020 - Enter a valid user ID

MMPUR_USERDEF020 - Overview

• Message type: E = Error

• Message class: MMPUR_USERDEF - Message class for user defaults

• Message number: 020

• Message text: Enter a valid user ID

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 MMPUR_USERDEF020 - Enter a valid user ID ?

  The SAP error message MMPUR_USERDEF020 ("Enter a valid user ID") typically occurs in the context of user input fields where a user ID is required, such as during the creation or modification of purchase orders, requisitions, or other procurement-related transactions. This error indicates that the system did not recognize the user ID entered, which could be due to several reasons.
  Causes:
  
  Invalid User ID: The user ID entered does not exist in the SAP system.
  Inactive User: The user ID may exist but is inactive or locked.
  Input Format: The user ID may not be in the correct format or may contain invalid characters.
  Authorization Issues: The user may not have the necessary authorizations to access the transaction or function.
  
  Configuration Issues: There may be configuration settings in the SAP system that are causing the user ID to be rejected.
  
  Solutions:
  
  Verify User ID: Check the user ID for typos or incorrect entries. Ensure that it matches the