How To Fix /IWXBE/CORE118 - MQTT channel error during publishing event

/IWXBE/CORE118 - Overview

• Message type: E = Error

• Message class: /IWXBE/CORE -

• Message number: 118

• Message text: MQTT channel error during publishing event

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/CORE118 - MQTT channel error during publishing event ?

  The SAP error message /IWXBE/CORE118 related to MQTT (Message Queuing Telemetry Transport) channels typically indicates an issue during the publishing of an event. This error can arise from various causes, and understanding the context is crucial for troubleshooting. Here are some common causes, potential solutions, and related information:
  Causes:
  
  Network Issues: Connectivity problems between the SAP system and the MQTT broker can lead to this error.
  Broker Configuration: The MQTT broker may not be configured correctly to accept connections or messages from the SAP system.
  Authentication/Authorization Failures: If the MQTT broker requires authentication, incorrect credentials can cause publishing failures.
  Message Format Issues: The message being published may not conform to the expected format or size limits set by the broker.
  Resource Limitations: The SAP system or the MQTT broker may be experiencing resource constraints (e.g., memory, CPU).
  Version Compatibility: Incompatibility between the SAP system and the MQTT broker version can lead to communication issues.
  
  Solutions:
  
  Check Network Connectivity: Ensure