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How To Fix SAMQP_MESSAGE023 - Protocol error (&1)


SAP Error Message - Details

  • Message type: E = Error

  • Message class: SAMQP_MESSAGE -

  • Message number: 023

  • Message text: Protocol error (&1)

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  • 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.



    What else can you do?

    First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

    Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

    You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.


Smart SAP Assistant

  • What is the cause and solution for SAP error message SAMQP_MESSAGE023 - Protocol error (&1) ?

    The SAP error message SAMQP_MESSAGE023, which indicates a "Protocol error (&1)," typically arises in the context of SAP's messaging framework, particularly when there are issues with communication between different components or systems. This error can occur in various scenarios, such as when using SAP's Advanced Message Queuing Protocol (AMQP) or when there are issues with the SAP Gateway.

    Causes:

    1. Network Issues: Problems with the network connection between the SAP system and the messaging service can lead to protocol errors.
    2. Configuration Errors: Incorrect configuration settings in the SAP system or the messaging service can cause protocol mismatches.
    3. Version Incompatibility: Using incompatible versions of the SAP system and the messaging service can lead to protocol errors.
    4. Message Format Issues: If the message being sent does not conform to the expected format or structure, it can trigger a protocol error.
    5. Resource Limitations: Insufficient resources (like memory or processing power) on the server can lead to communication failures.

    Solutions:

    1. Check Network Connectivity: Ensure that there are no network issues between the SAP system and the messaging service. Use tools like ping or traceroute to diagnose connectivity problems.
    2. Review Configuration Settings: Verify the configuration settings for both the SAP system and the messaging service. Ensure that they are correctly set up to communicate with each other.
    3. Update Software: Ensure that both the SAP system and the messaging service are running compatible versions. If necessary, update to the latest versions.
    4. Validate Message Format: Check the format of the messages being sent. Ensure they conform to the expected structure and data types.
    5. Monitor System Resources: Check the server's resource usage (CPU, memory, etc.) to ensure that it is not overloaded. If necessary, optimize the system or allocate more resources.
    6. Consult SAP Notes: Look for relevant SAP Notes or Knowledge Base Articles that may provide specific guidance or patches related to this error.

    Related Information:

    • SAP Documentation: Refer to the official SAP documentation for detailed information on the messaging framework and troubleshooting steps.
    • SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
    • Logs and Traces: Check the application logs and traces for more detailed error messages that can provide additional context for the protocol error.

    If the issue persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.

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