1S306 - SSF kernel error: Recipient error

SAP Error Message - Details

• Message type: E = Error

• Message class: 1S - Messages for SSF ("Secure Store & Forward")

• Message number: 306

• Message text: SSF kernel error: Recipient error

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 1S306 - SSF kernel error: Recipient error ?

  The SAP error message 1S306 SSF kernel error: Recipient error typically indicates an issue related to the Secure Store and Forward (SSF) interface in SAP, which is used for secure communication and encryption. This error can occur during operations that involve digital signatures or encryption, such as when sending secure emails or processing secure documents.
  Causes:
  
  Incorrect Configuration: The SSF settings may not be properly configured in the SAP system. This includes issues with the SSF interface or the cryptographic library being used.
  Missing or Invalid Certificates: The recipient's certificate may be missing, expired, or invalid. This can prevent successful encryption or signing of documents.
  Key Storage Issues: Problems with the key storage (e.g., the key store may not be accessible or properly set up) can lead to this error.
  Network Issues: If the system is trying to reach an external service for certificate validation or key retrieval, network issues could cause this error.
  Authorization Issues: The user or service account may not have the necessary permissions to access the required keys or certificates.
  
  Solutions:
  
  Check SSF Configuration: Verify the SSF configuration in transaction SSFC. Ensure that the correct cryptographic library is specified and that all settings are correct.
  Validate Certificates: Check the recipient's certificate for validity. Ensure that it is not expired and is correctly installed in the system. You can use transaction STRUST to manage and view certificates.
  Review Key Storage: Ensure that the key storage is correctly configured and accessible. Check for any issues with the key store or the cryptographic provider.
  Network Connectivity: If the error is related to external services, ensure that the network connection is stable and that the necessary ports are open.
  Check Authorizations: Ensure that the user or service account has the necessary authorizations to access the keys and certificates required for the operation.
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error. SAP frequently updates its knowledge base with solutions for known issues.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on SSF configuration and troubleshooting.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SSFC (SSF Configuration), STRUST (Trust Manager), and SU01 (User Maintenance) for checking user authorizations.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.