How To Fix SIG405 - You are not authorized to execute the individual signature

SAP Error Message - Details

• Message type: E = Error

• Message class: SIG - Digital Signature

• Message number: 405

• Message text: You are not authorized to execute the individual signature

What causes this issue?

You are not authorized to execute the required individual signature.

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?

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Procedure for System Administrators

Check the user authorizations in Customizing.
The user needs the authorization for authorization object C_SIGN_BGR.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SIG405 - You are not authorized to execute the individual signature ?

  The SAP error message SIG405, which states "You are not authorized to execute the individual signature," typically occurs in the context of digital signatures or electronic approvals within SAP systems. This error indicates that the user does not have the necessary authorizations to perform the action related to the individual signature.
  Cause:
  
  Authorization Issues: The user lacks the required authorization object or role that permits them to execute the individual signature.
  Missing Roles: The user may not have been assigned the appropriate roles that include the necessary permissions for signing documents or transactions.
  Configuration Settings: There may be specific configuration settings in the SAP system that restrict access to certain users or user groups.
  
  Solution:
  
  
  Check User Authorizations:
  
  Use transaction code SU53 immediately after encountering the error to check the authorization check that failed. This will provide insights into which specific authorization object is missing.
  Review the user's roles and authorizations in transaction SU01 (User Maintenance) or PFCG (Role Maintenance).
  
  
  
  Assign Necessary Roles:
  
  If the user lacks the required roles, work with your SAP security team to assign the appropriate roles that include the necessary authorizations for executing individual signatures.
  
  
  
  Review Authorization Objects:
  
  Identify the specific authorization objects related to digital signatures (e.g., S_Sign or similar) and ensure that the user has the necessary permissions.
  
  
  
  Consult with Security Team:
  
  If you are not able to resolve the issue, consult with your SAP security team or administrator to review the authorization setup and make necessary adjustments.
  
  
  
  Testing:
  
  After making changes to the user’s roles or authorizations, have the user log out and log back in to ensure that the changes take effect. Then, test the signature functionality again.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or updates related to the SIG405 error. SAP frequently updates its knowledge base with solutions for common errors.
  Documentation: Review SAP documentation related to digital signatures and authorizations to understand the requirements and configurations better.
  User Training: Ensure that users are trained on the processes and requirements for executing digital signatures within the SAP system.
  
  By following these steps, you should be able to identify the cause of the SIG405 error and implement a solution to resolve it.