How To Fix XS643 - Currently no delivery to &, as error occurred during encoding/signing

XS643 - Overview

• Message type: E = Error

• Message class: XS - SAPconnect: All messages

• Message number: 643

• Message text: Currently no delivery to &, as error occurred during encoding/signing

What causes this issue?

The message could not be delivered to recipient &V1&, since it could not
be encoded or signed by the security proxy. A possible cause for this
may be a missing certificate.

System Response

Processing was completed normally.
Additional information of the used node (if available, in the system
language of the node):
&V4&

How to fix this error?

Attempt to resend the message at a later time.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

XS643 - Details

• The SAP error message "XS643 Currently no delivery to &, as error occurred during encoding/signing" typically indicates an issue with the encoding or signing process of a message or document in the SAP system. This error can occur in various contexts, such as when dealing with electronic documents, messages, or data exchanges that require secure transmission.
  Causes:
  
  
  Configuration Issues: Incorrect settings in the SAP system related to encoding or signing can lead to this error. This includes issues with the digital certificates or keys used for signing.
  Certificate Problems: Expired, invalid, or missing digital certificates can prevent successful encoding or signing.
  Network Issues: Problems with network connectivity or communication with external systems can interrupt the encoding/signing process.
  Software Bugs: There may be bugs or issues in the SAP software version you are using that affect the encoding/signing functionality.
  Data Format Issues: The data being processed may not conform to the expected format, leading to errors during