How To Fix EDOCUMENT_PT_INV031 - Digital signature not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: EDOCUMENT_PT_INV - eInvoice Portugal: Messages

• Message number: 031

• Message text: Digital signature not possible

What causes this issue?

eDocument configuration caused this eDocument to be created. However,
the configuration for the digital signature does not foresee to sign the
source document. Only source documents that are digitally signed can be
successfully submitted.

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?

Check if the source document needs a digital signature. If it does not,
then the eDocument needs to be cancelled, and the eDocument
configuration needs to be adjusted.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EDOCUMENT_PT_INV031 - Digital signature not possible ?

  The SAP error message EDOCUMENT_PT_INV031 indicates that a digital signature cannot be created for an electronic document, typically related to electronic invoicing or document processing in SAP. This error can arise due to various reasons, and understanding the cause is essential for finding a solution.
  Possible Causes:
  
  
  Missing Configuration: The digital signature configuration may not be set up correctly in the SAP system. This includes settings related to the digital signature provider or the certificate used for signing.
  
  
  Invalid or Expired Certificate: The certificate used for the digital signature may be invalid, expired, or not properly installed in the system.
  
  
  Authorization Issues: The user attempting to create the digital signature may not have the necessary authorizations or roles assigned to perform this action.
  
  
  Technical Issues: There may be underlying technical issues, such as problems with the communication between SAP and the digital signature service or issues with the SAP system itself.
  
  
  Document Status: The document may be in a status that does not allow for digital signing, such as being in a draft state or already signed.
  
  
  Solutions:
  
  
  Check Configuration: Verify the configuration settings for digital signatures in the SAP system. Ensure that the digital signature provider is correctly configured and that all necessary parameters are set.
  
  
  Validate Certificate: Check the validity of the digital certificate being used. Ensure that it is not expired and is correctly installed in the SAP system. If necessary, obtain a new certificate and update the configuration.
  
  
  Review Authorizations: Ensure that the user has the appropriate authorizations to perform digital signing. This may involve checking user roles and permissions in the SAP system.
  
  
  Check Document Status: Review the status of the document you are trying to sign. Ensure that it is in a state that allows for digital signing.
  
  
  Consult Logs: Check the SAP application logs (transaction SLG1) for more detailed error messages that may provide additional context for the issue.
  
  
  Contact Support: If the issue persists after checking the above points, consider reaching out to SAP support or your internal IT team for further assistance.
  
  
  Related Information:
  
  SAP Notes: Look for relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  Documentation: Review SAP documentation related to electronic invoicing and digital signatures for best practices and configuration guidelines.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By systematically addressing these areas, you should be able to resolve the EDOCUMENT_PT_INV031 error and successfully create digital signatures for your electronic documents in SAP.