How To Fix /IWXBE/CORE122 - MQTT connection - error during message reception

/IWXBE/CORE122 - Overview

• Message type: E = Error

• Message class: /IWXBE/CORE -

• Message number: 122

• Message text: MQTT connection - error during message reception

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/CORE122 - MQTT connection - error during message reception ?

  The SAP error message /IWXBE/CORE122 related to MQTT (Message Queuing Telemetry Transport) indicates that there is an issue during the message reception phase of the MQTT connection. This error can arise from various causes, and understanding these can help in troubleshooting and resolving the issue.
  Possible Causes:
  
  
  Network Issues: There may be network connectivity problems between the SAP system and the MQTT broker. This could include firewall settings, network outages, or incorrect network configurations.
  
  
  Broker Configuration: The MQTT broker may not be configured correctly. This includes issues such as incorrect port settings, authentication problems, or the broker being down.
  
  
  Client Configuration: The SAP system's MQTT client configuration might be incorrect. This could involve wrong credentials, incorrect topic subscriptions, or misconfigured QoS (Quality of Service) settings.
  
  
  Message Format Issues: The messages being sent or received may not conform to the expected format, leading to parsing errors.
  
  
  Resource Limitations: The SAP system or the MQTT broker may be