How To Fix VN123 - No mail user found for personnel number &

VN123 - Overview

• Message type: E = Error

• Message class: VN - Nachrichtensteuerung

• Message number: 123

• Message text: No mail user found for personnel number &

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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VN123 - Details

• SAP Error Message:
  VN123 No mail user found for personnel number &
  
  
  Cause:
  This error occurs when the SAP system tries to send an email notification or workflow message to a personnel number (employee) but cannot find an associated email address or mail user in the system for that personnel number.
  In other words, the system expects that the employee (personnel number) has a valid email address maintained in the SAP HR master data or in the communication system, but it is missing or not properly linked.
  
  Detailed Explanation:
  
  The personnel number is used to identify the employee in SAP HR.
  For sending emails (e.g., workflow notifications, alerts), SAP looks up the employee's email address.
  The email address is typically maintained in the Communication infotype (IT0105) or in the User Master Record (SU01) if the employee has a SAP user.
  If no email address is found, the system cannot send the mail and throws this error.
  
  
  
  Solution:
  
  
  Check and Maintain Email