How To Fix SIG406 - Signatory & has already executed signature

SAP Error Message - Details

• Message type: E = Error

• Message class: SIG - Digital Signature

• Message number: 406

• Message text: Signatory & has already executed signature

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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Smart SAP Assistant

• What is the cause and solution for SAP error message SIG406 - Signatory & has already executed signature ?

  The SAP error message SIG406 ("Signatory & has already executed signature") typically occurs in the context of electronic signatures within SAP systems, particularly when dealing with workflows or document approvals that require digital signatures. This error indicates that the signatory in question has already completed the signing process for the document or transaction, and therefore cannot sign it again.
  Cause:
  
  Duplicate Signature Attempt: The most common cause of this error is that the same user is attempting to sign a document or transaction that they have already signed.
  Workflow Configuration: There may be issues with the workflow configuration that allow for multiple signature attempts.
  System or User Error: Sometimes, users may not be aware that they have already signed a document, or there may be a misunderstanding of the workflow process.
  
  Solution:
  
  Check Signature Status: Verify the status of the document or transaction to confirm whether the signatory has indeed already signed it. This can usually be done through the document history or workflow logs.
  Review Workflow Configuration: If the issue persists, review the workflow configuration to ensure that it is set up correctly and does not allow for duplicate signatures.
  User Training: Provide training or documentation to users to help them understand the signing process and avoid attempting to sign documents multiple times.
  Contact Support: If the issue cannot be resolved through the above steps, consider reaching out to your SAP support team or consulting SAP documentation for further assistance.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide updates and patches that could resolve the issue.
  Transaction Codes: Familiarize yourself with transaction codes related to electronic signatures and workflows, such as SWI1 (Work Item Selection) or SOST (SAPconnect Send Requests), to help troubleshoot the issue.
  Documentation: Review SAP documentation on electronic signatures and workflows to understand the expected behavior and configuration settings.
  
  By following these steps, you should be able to address the SIG406 error effectively.