How To Fix BC045 - The user & already has a substitute authorization

SAP Error Message - Details

• Message type: E = Error

• Message class: BC - Scheduler (calendar)

• Message number: 045

• Message text: The user & already has a substitute authorization

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 BC045 - The user & already has a substitute authorization ?

  The SAP error message BC045 indicates that a user already has a substitute authorization assigned to them. This typically occurs in the context of workflow or authorization management, where a user is trying to assign a substitute for a particular role or task, but the system detects that a substitute is already in place.
  Cause:
  
  Existing Substitute: The user already has a substitute assigned for the same role or task.
  Authorization Conflicts: There may be conflicting authorizations or roles that prevent the assignment of a new substitute.
  System Configuration: The system may be configured to restrict multiple substitutes for the same user.
  
  Solution:
  
  
  Check Existing Substitutes: 
  
  Go to the transaction code for managing substitutes (e.g., SWI1 for workflow or SU01 for user management).
  Check if there is already a substitute assigned to the user. If so, you may need to remove or modify the existing substitute before assigning a new one.
  
  
  
  Remove Existing Substitute:
  
  If you find an existing substitute that is no longer needed, you can remove it. This can usually be done in the same transaction where you manage substitutes.
  
  
  
  Modify Substitute Settings:
  
  If the existing substitute is still required, consider modifying the settings to accommodate the new requirement, if applicable.
  
  
  
  Consult Documentation: 
  
  Review SAP documentation or help files related to user management and substitutes for specific instructions based on your SAP version.
  
  
  
  Contact SAP Support: 
  
  If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting SAP Notes for any known issues or patches related to this error.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SU01 (User Maintenance), SWI1 (Work Item Selection), and PFCG (Role Maintenance) for managing user roles and authorizations.
  User Roles and Authorizations: Understanding how user roles and authorizations work in SAP can help in troubleshooting similar issues in the future.
  SAP Notes: Check SAP Notes for any updates or specific fixes related to this error message.
  
  By following these steps, you should be able to resolve the BC045 error and manage user substitutes effectively.