How To Fix DPR_APPROVAL039 - Signature is not possible: no user certificate exists

SAP Error Message - Details

• Message type: E = Error

• Message class: DPR_APPROVAL - Development Projects: Approval Messages

• Message number: 039

• Message text: Signature is not possible: no user certificate exists

What causes this issue?

A valid user certificate is required for signing an approval document.
However, your user does not have a user certificate assigned to it.

System Response

The signature is not possible.

How to fix this error?

Contact your system administrator.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DPR_APPROVAL039 - Signature is not possible: no user certificate exists ?

  The SAP error message DPR_APPROVAL039 indicates that a user is attempting to perform a signature action in the SAP system, but the system cannot find a valid user certificate for that user. This is typically encountered in the context of document approvals or workflows where digital signatures are required.
  Cause:
  
  Missing User Certificate: The most common cause is that the user does not have a digital certificate installed in the SAP system. Digital signatures require a valid certificate to authenticate the user.
  Incorrect User Configuration: The user profile may not be correctly configured to use digital signatures.
  Expired Certificate: The user may have a certificate that has expired and is no longer valid for signing.
  System Configuration Issues: There may be issues with the configuration of the SAP system regarding digital signatures and user certificates.
  
  Solution:
  
  
  Install a User Certificate:
  
  Ensure that the user has a valid digital certificate installed. This can typically be done through the SAP GUI or by using a certificate management tool.
  The user can obtain a certificate from a trusted Certificate Authority (CA) or generate a self-signed certificate if appropriate.
  
  
  
  Check User Profile:
  
  Verify that the user’s profile is correctly set up to use digital signatures. This can be done in transaction code SU01 (User Maintenance).
  Ensure that the user has the necessary authorizations to perform signature actions.
  
  
  
  Renew or Update Certificate:
  
  If the user has an expired certificate, it needs to be renewed or replaced with a valid one.
  
  
  
  System Configuration:
  
  Check the system settings related to digital signatures. This may involve consulting with your SAP Basis team to ensure that the system is configured correctly to recognize and validate user certificates.
  
  
  
  Testing:
  
  After making the necessary changes, test the signature functionality again to ensure that the issue has been resolved.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or patches related to this error.
  Documentation: Review SAP documentation on digital signatures and user certificates for detailed instructions on setup and troubleshooting.
  Support: If the issue persists after following the above steps, consider reaching out to SAP support for further assistance.
  
  By addressing the above points, you should be able to resolve the error message DPR_APPROVAL039 and enable the user to perform the required signature actions.