How To Fix SIPT837 - No Digital Signature exists or data is not sufficient for ext. doc &

SAP Error Message - Details

• Message type: E = Error

• Message class: SIPT - SIPT: Digital Signature Portugal

• Message number: 837

• Message text: No Digital Signature exists or data is not sufficient for ext. doc &

What causes this issue?

The BAdl EI_BADI_SIPT_DIGITAL_SIGN_SD is currently implemented. However,
the BAdl:
Is returning data without the required Digital Signature, or
Is returning data with one or more required fields not maintained

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

System Response

How to fix this error?

You must ensure the BadI is returning data including the required
digital signature and/or check that the following mandatory fields are
filled by this BadI Implementation:
vbeln or vbeln_long ? External Document no
inv_no or inv_no_long ? SAF-T reporting no
print_char ? Print Characters of external doc
cert_id ? Cerificate ID for External Doc
signature ? Signature of the external Document
inv_date ? Date when external document is created
gross_total ? gross total of the external document

Procedure for System Administrators

Information for BAdl:
Enhancement Point - ES_SIPT_DIGITAL_SIGN_SD
BAdl - EI_BADI_SIPT_DIGITAL_SIGN_SD
Interface Class - CL_SIPT_DIG_SIGN_SD ? you can check the importing and
exporting parameters in the class method.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SIPT837 - No Digital Signature exists or data is not sufficient for ext. doc & ?

  The SAP error message SIPT837, which states "No Digital Signature exists or data is not sufficient for ext. doc," typically occurs in the context of electronic document processing, particularly when dealing with digital signatures in SAP systems. This error can arise in various scenarios, such as when trying to send or process documents that require a digital signature but the necessary data or configuration is missing.
  Causes:
  
  Missing Digital Signature Configuration: The system may not be configured to generate or validate digital signatures for the specific document type.
  Insufficient Data: The document being processed may lack the necessary data required for creating a digital signature.
  Incorrect Document Type: The document type being processed may not support digital signatures.
  Authorization Issues: The user may not have the necessary authorizations to create or validate digital signatures.
  Technical Issues: There may be underlying technical issues, such as problems with the digital signature service or the cryptographic library.
  
  Solutions:
  
  
  Check Configuration:
  
  Ensure that the digital signature functionality is properly configured in the SAP system. This includes checking the settings in transaction codes like SICF (for services) and SPRO (for configuration).
  Verify that the document type being processed is set up to support digital signatures.
  
  
  
  Validate Document Data:
  
  Ensure that all required fields and data for the document are filled out correctly. This may include checking for mandatory fields that are necessary for the digital signature process.
  
  
  
  Review User Authorizations:
  
  Check the user roles and authorizations to ensure that the user has the necessary permissions to create or validate digital signatures.
  
  
  
  Check for Technical Issues:
  
  Investigate any technical issues related to the digital signature service or cryptographic libraries. This may involve checking logs for errors or warnings that could provide more context.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on digital signatures and the error message SIPT837. This may provide additional insights or troubleshooting steps.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They may have additional tools or insights to help resolve the issue.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide updates and patches.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  Training and Documentation: Ensure that users involved in document processing are trained on the requirements and processes related to digital signatures in SAP.
  
  By following these steps, you should be able to identify the cause of the SIPT837 error and implement a suitable solution.