How To Fix /IWXBE/CORE149 - MQTT on disconnect for channel '&1' - Error when getting envelope

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWXBE/CORE -

• Message number: 149

• Message text: MQTT on disconnect for channel '&1' - Error when getting envelope

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 /IWXBE/CORE149 - MQTT on disconnect for channel '&1' - Error when getting envelope ?

  The SAP error message /IWXBE/CORE149 MQTT on disconnect for channel '&1' - Error when getting envelope typically indicates an issue with the MQTT (Message Queuing Telemetry Transport) communication in the context of SAP's integration with IoT services or other messaging systems. This error can occur due to various reasons, including network issues, configuration problems, or issues with the MQTT broker.
  Possible Causes:
  
  Network Connectivity Issues: There may be a problem with the network connection between the SAP system and the MQTT broker.
  MQTT Broker Configuration: The MQTT broker may not be configured correctly, or it may be down or unreachable.
  Channel Configuration: The specific channel referenced in the error message may have incorrect settings or may not be properly set up.
  Timeouts: The connection may be timing out due to inactivity or other network-related issues.
  Authentication Issues: If the MQTT broker requires authentication, incorrect credentials may lead to connection problems.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the SAP system can reach the MQTT broker. You can use tools like ping or telnet to test connectivity.
  Verify Broker Status: Check if the MQTT broker is running and accessible. Look for any logs or status indicators that might indicate issues with the broker.
  Review Channel Configuration: Go to the SAP configuration for the MQTT channel and verify that all settings (like broker address, port, and credentials) are correct.
  Increase Timeout Settings: If timeouts are suspected, consider increasing the timeout settings in the SAP configuration for MQTT connections.
  Check Authentication: If the broker requires authentication, ensure that the credentials used in the SAP configuration are correct and have the necessary permissions.
  Review Logs: Check the logs in both the SAP system and the MQTT broker for any additional error messages or warnings that could provide more context about the issue.
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant notes or updates related to MQTT and the specific error message.
  Documentation: Review the official SAP documentation for MQTT integration to ensure that all configurations are set up correctly.
  Community Forums: Consider searching or posting in SAP community forums or other technical forums for additional insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.