How To Fix SPXN192 - Signature is incompatible (different synchronicity)

SAP Error Message - Details

• Message type: E = Error

• Message class: SPXN - Proxy Generation

• Message number: 192

• Message text: Signature is incompatible (different synchronicity)

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SPXN192 - Signature is incompatible (different synchronicity) ?

  The SAP error message SPXN192, which states "Signature is incompatible (different synchronicity)," typically occurs in the context of SAP's integration with external systems or services, particularly when dealing with digital signatures or secure communications. This error indicates that there is a mismatch in the expected signature format or the timing of the signature verification process.
  Causes:
  
  Mismatched Signature Algorithms: The signature algorithm used by the sender may not match the one expected by the receiver.
  Clock Synchronization Issues: If the system clocks of the communicating parties are not synchronized, it can lead to issues with time-sensitive signatures.
  Configuration Errors: Incorrect configuration settings in the SAP system or the external system can lead to signature incompatibility.
  Version Mismatch: Different versions of the software or libraries used for signing and verifying signatures may lead to incompatibility.
  Network Issues: Intermittent network issues can cause delays that affect the timing of signature validation.
  
  Solutions:
  
  Check Signature Algorithms: Ensure that both the sender and receiver are using compatible signature algorithms. This may involve updating configurations or libraries.
  Synchronize Clocks: Ensure that the system clocks of all involved systems are synchronized. This can be done using NTP (Network Time Protocol) to ensure accurate timekeeping.
  Review Configuration Settings: Double-check the configuration settings in both the SAP system and the external system to ensure they are set up correctly for signature handling.
  Update Software: Ensure that all systems are running compatible versions of the software or libraries used for digital signatures.
  Network Stability: Investigate and resolve any network issues that may be causing delays or interruptions in communication.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error. SAP frequently releases updates that address known issues.
  Documentation: Review the documentation for the specific SAP module or integration you are working with to understand the expected signature formats and configurations.
  Logs and Traces: Analyze system logs and traces to gather more information about the error context, which can help in diagnosing the issue.
  Support: If the issue persists, consider reaching out to SAP support for assistance, providing them with detailed information about the error and the context in which it occurs.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the SPXN192 error in your SAP environment.