How To Fix SIG104 - The last signature number has been assigned

SAP Error Message - Details

• Message type: E = Error

• Message class: SIG - Digital Signature

• Message number: 104

• Message text: The last signature number has been assigned

What causes this issue?

When creating a digital signature, the system assigns a number to it.
It obtains this number from the number range of the number range object
SIGNATURE. The system has assigned the last number of this number range
in the current workstep.
You cannot create more signatures.

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

System Response

How to fix this error?

INCLUDE 'NA_SYSVERW' OBJECT DOKU ID TX LANGUAGE EN

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SIG104 - The last signature number has been assigned ?

  The SAP error message SIG104, which states "The last signature number has been assigned," typically occurs in the context of electronic signatures or document approvals within SAP systems. This error indicates that the system has reached the maximum number of signature numbers that can be assigned for a particular document or process.
  Cause:
  
  Exhaustion of Signature Numbers: The system has a predefined limit on the number of signature numbers that can be assigned. Once this limit is reached, no further signatures can be added.
  Configuration Settings: The configuration settings for signature management may not be set up to accommodate the required number of signatures for your business processes.
  Document Type Limitations: Certain document types may have specific limitations on the number of signatures that can be assigned.
  
  Solution:
  
  
  Check Configuration: Review the configuration settings for electronic signatures in your SAP system. Ensure that the maximum number of signatures allowed is sufficient for your business needs.
  
  Navigate to the relevant configuration settings in the SAP system (usually found in the IMG under the module related to document management or electronic signatures).
  
  
  
  Increase Signature Limits: If the current limit is too low, consider increasing the maximum number of signature numbers allowed. This may involve adjusting settings in the configuration or consulting with your SAP Basis or security team.
  
  
  Clear Old Signatures: If possible, review and clear any old or unnecessary signatures that may be occupying signature numbers. This can free up space for new signatures.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on managing electronic signatures and understanding the limits associated with them.
  
  
  Contact SAP Support: If the issue persists or if you are unsure about making changes to the configuration, consider reaching out to SAP support for assistance.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on managing signature numbers.
  User Roles and Authorizations: Ensure that the users attempting to assign signatures have the necessary roles and authorizations to do so.
  Testing Changes: After making any configuration changes, conduct thorough testing to ensure that the changes resolve the issue without introducing new problems.
  
  By following these steps, you should be able to address the SIG104 error and ensure that your electronic signature processes function smoothly.