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