How To Fix SIG105 - More signature numbers required than available

SAP Error Message - Details

• Message type: E = Error

• Message class: SIG - Digital Signature

• Message number: 105

• Message text: More signature numbers required than available

What causes this issue?

When creating a digital signature, the system assigns a number it. It
obtains the number from the number range of the number range object
SIGNATURE. There are not enough numbers available in the number range
for the current workstep.
INCLUDE 'NA_FU_NO' OBJECT DOKU ID TX LANGUAGE EN

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?

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 SIG105 - More signature numbers required than available ?

  The SAP error message SIG105 ("More signature numbers required than available") typically occurs in the context of document signing processes within SAP, particularly when dealing with electronic signatures. This error indicates that the system has encountered a situation where the number of required signature numbers exceeds the number of available signature numbers configured in the system.
  Cause:
  
  Configuration Issue: The number of signature numbers defined in the system is insufficient for the number of signatures required for a particular document or process.
  Document Type Settings: The specific document type may require more signatures than what has been configured in the system.
  User Roles and Authorizations: There may be restrictions based on user roles that limit the number of signatures that can be applied.
  
  Solution:
  
  
  Check Configuration:
  
  Go to the configuration settings for electronic signatures in SAP (transaction code SPRO).
  Navigate to the relevant section for defining signature numbers and ensure that the number of available signatures is sufficient for your needs.
  Adjust the configuration to increase the number of available signature numbers.
  
  
  
  Review Document Type Settings:
  
  Check the settings for the specific document type that is generating the error.
  Ensure that the required number of signatures is correctly defined and matches the configuration.
  
  
  
  User Roles and Authorizations:
  
  Verify that the users involved in the signing process have the necessary authorizations to apply the required number of signatures.
  Adjust user roles if necessary to ensure they can access the required signature numbers.
  
  
  
  Testing:
  
  After making changes, test the signing process again to ensure that the error has been resolved.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error message. SAP frequently releases updates that may address known issues.
  Documentation: Review SAP documentation related to electronic signatures and workflow processes to ensure compliance with best practices.
  Support: If the issue persists after checking configurations and settings, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to resolve the SIG105 error and ensure that your electronic signature processes function smoothly.