How To Fix 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: