How To Fix REXCPTPT502 - Digital signature for invoice &1 has not been generated

SAP Error Message - Details

• Message type: E = Error

• Message class: REXCPTPT -

• Message number: 502

• Message text: Digital signature for invoice &1 has not been generated

What causes this issue?

The system could not generate a digital signature to the given invoice.

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?

You must check whether you have completed the following:
Business function FIN_LOC_CI_1 is active
You want to use functions that require the activation of the <ZK>Non-HCM
Localization Topics</> (FIN_LOC_CI_1) business function.
The process steps of the acquisition of encryption keys are done
To check whether the requirements are met, see SAP Notes 1552099 and
1484221.

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 REXCPTPT502 - Digital signature for invoice &1 has not been generated ?

  The SAP error message REXCPTPT502 indicates that a digital signature for an invoice has not been generated. This error typically arises in the context of electronic invoicing, particularly when dealing with compliance requirements for digital signatures in certain countries or regions.
  Cause:
  
  Missing Configuration: The system may not be properly configured to generate digital signatures for invoices. This could be due to missing settings in the electronic invoicing configuration.
  Technical Issues: There may be technical issues with the digital signature generation process, such as problems with the cryptographic service provider or the signing certificate.
  Incomplete Data: The invoice data may be incomplete or incorrect, preventing the generation of a digital signature.
  Authorization Issues: The user or process attempting to generate the signature may not have the necessary authorizations or roles assigned.
  
  Solution:
  
  
  Check Configuration:
  
  Ensure that the electronic invoicing settings are correctly configured in the SAP system. This includes checking the settings for digital signatures in the relevant configuration transactions (e.g., SPRO).
  Verify that the necessary parameters for digital signature generation are set up correctly.
  
  
  
  Review Technical Setup:
  
  Check the configuration of the cryptographic service provider and ensure that the signing certificate is valid and properly installed.
  Ensure that the necessary libraries or components for digital signature generation are available and functioning.
  
  
  
  Validate Invoice Data:
  
  Review the invoice data to ensure that all required fields are filled out correctly and that there are no errors in the data that could prevent signature generation.
  
  
  
  Check Authorizations:
  
  Ensure that the user or process has the necessary authorizations to generate digital signatures. This may involve checking user roles and permissions in the SAP system.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to electronic invoicing and digital signatures for specific guidance on resolving this error.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They may provide additional insights or patches if the issue is related to a known bug.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide updates related to digital signatures and electronic invoicing.
  Legal Requirements: Be aware of the legal requirements for digital signatures in your region, as these can impact how invoices must be processed and signed.
  System Logs: Review system logs for any additional error messages or warnings that may provide more context about the failure to generate the digital signature.
  
  By following these steps, you should be able to identify and resolve the issue related to the REXCPTPT502 error message in SAP.