How To Fix FIKZ_DDX028 - Could not sign invoice ID &, please see Application Log.

SAP Error Message - Details

• Message type: E = Error

• Message class: FIKZ_DDX - Message class for digital documents exchange

• Message number: 028

• Message text: Could not sign invoice ID &, please see Application Log.

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message FIKZ_DDX028 - Could not sign invoice ID &, please see Application Log. ?

  The SAP error message FIKZ_DDX028 indicates that there was an issue with signing an invoice in the system. This error typically arises in the context of electronic invoicing, particularly when using the SAP Document Compliance (formerly known as SAP Invoice Management) functionality. The message suggests that the system could not sign the invoice with the specified ID, and it advises checking the Application Log for more details.
  Possible Causes:
  
  Missing Configuration: The necessary configuration for electronic signatures may not be set up correctly in the system.
  Certificate Issues: The digital certificate used for signing the invoice may be missing, expired, or not properly configured.
  Authorization Issues: The user attempting to sign the invoice may not have the necessary authorizations to perform this action.
  Technical Errors: There may be underlying technical issues, such as connectivity problems with the signing service or issues with the SAP system itself.
  Data Issues: The invoice data may be incomplete or incorrect, preventing the signing process from completing successfully.
  
  Solutions:
  
  Check Application Log: Start by checking the Application Log (transaction SLG1) for more detailed error messages related to the signing process. This can provide specific insights into what went wrong.
  Verify Configuration: Ensure that the configuration for electronic signatures is correctly set up in the system. This includes checking the settings in the relevant customizing transactions.
  Check Digital Certificates: Verify that the digital certificate used for signing is valid, properly installed, and configured in the system. If necessary, renew or replace the certificate.
  Review Authorizations: Ensure that the user has the necessary authorizations to sign invoices. This may involve checking roles and permissions in the user profile.
  Test Connectivity: If the signing process relies on external services, check the connectivity to those services to ensure they are operational.
  Data Validation: Review the invoice data for completeness and correctness. Ensure that all required fields are filled out and that the data adheres to the expected formats.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the SAP documentation related to electronic invoicing and digital signatures for best practices and configuration guidelines.
  Support: If the issue persists after following the above steps, consider reaching out to SAP support for further assistance, providing them with the details from the Application Log.
  
  By following these steps, you should be able to identify and resolve the issue causing the FIKZ_DDX028 error message in SAP.