How To Fix SO801 - User <&> is not defined as a substitute

SO801 - Overview

• Message type: E = Error

• Message class: SO - SAPoffice: message texts

• Message number: 801

• Message text: User <&> is not defined as a substitute

What causes this issue?

You tried to change the substitute definition for the specified user.
However, the user has not been defined as a substitute.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check the substitute list for the user &V1&.

Error message extract from SAP system. Copyright SAP SE.

SO801 - Details

• The SAP error message SO801 ("User <&> is not defined as a substitute") typically occurs in the context of workflow or business process management within SAP. This error indicates that the user specified in the workflow or process is not set up as a substitute for another user, which is necessary for the workflow to proceed correctly.
  
  Cause:
  
  Substitution Not Defined: The user who is supposed to act as a substitute for another user has not been defined in the SAP system.
  Incorrect User ID: The user ID specified in the workflow might be incorrect or misspelled.
  User Status: The user may be inactive or locked in the system, preventing them from being recognized as a substitute.
  Authorization Issues: The user may not have the necessary authorizations to act as a substitute.
  
  
  Solution:
  
  
  Define Substitutes:
  
  Go to transaction code SU01 (User Maintenance).
  Enter the user ID of the person who should be the substitute.
  Navigate to the "Substitutes" tab and