How To Fix TN798 - Signature verification not possible (SAP Note 2520826 is not implemented)

TN798 - Overview

• Message type: E = Error

• Message class: TN - Support Package Manager (SPAM) Messages

• Message number: 798

• Message text: Signature verification not possible (SAP Note 2520826 is not implemented)

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message TN798 - Signature verification not possible (SAP Note 2520826 is not implemented) ?

  The SAP error message TN798, which states "Signature verification not possible (SAP Note 2520826 is not implemented)," typically occurs in the context of electronic document processing, particularly when dealing with digital signatures in SAP systems. This error indicates that the system is unable to verify the signature of a document because the necessary SAP Note (2520826) has not been implemented.
  
  Cause:
  The primary cause of this error is the absence of the implementation of SAP Note 2520826, which contains important updates or corrections related to the signature verification process in SAP. This note may include enhancements or fixes that are necessary for the proper functioning of digital signatures in your SAP environment.
  
  Solution:
  To resolve this issue, you should implement SAP Note 2520826. Here are the steps to do so:
  
  
  Access SAP Support Portal: Log in to the SAP Support Portal (https://support.sap.com).
  
  
  Search for the Note: Use the search functionality to find SAP Note 2520826. You