How To Fix /IWXBE/CORE146 - MQTT on disconnect for channel '&1' - Error while starting timer

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWXBE/CORE -

• Message number: 146

• Message text: MQTT on disconnect for channel '&1' - Error while starting timer

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 /IWXBE/CORE146 - MQTT on disconnect for channel '&1' - Error while starting timer ?

  The SAP error message /IWXBE/CORE146 related to MQTT (Message Queuing Telemetry Transport) indicates that there is an issue with the MQTT channel when it attempts to disconnect. The specific error message "Error while starting timer" suggests that there is a problem with the timer functionality that is supposed to manage the disconnection process.
  Possible Causes:
  
  Configuration Issues: The MQTT channel may not be configured correctly, leading to issues when trying to manage connections and disconnections.
  Resource Limitations: The system may be running low on resources (e.g., memory, CPU), which can prevent the timer from starting properly.
  Network Issues: Problems with the network connection can lead to timeouts or failures in the disconnection process.
  Software Bugs: There may be bugs in the SAP software or the MQTT implementation that are causing this error.
  Version Compatibility: Incompatibility between different versions of SAP components or MQTT libraries could lead to this error.
  
  Solutions:
  
  Check Configuration: Review the configuration settings for the MQTT channel to ensure they are correct. Pay attention to parameters related to timeouts and connection management.
  Monitor System Resources: Use monitoring tools to check the system's resource usage. If resources are low, consider optimizing the system or upgrading hardware.
  Network Diagnostics: Perform network diagnostics to ensure that there are no connectivity issues affecting the MQTT channel.
  Update Software: Ensure that you are using the latest version of SAP and any related components. Check for patches or updates that may address known issues.
  Review Logs: Check the SAP application logs for any additional error messages or warnings that could provide more context about the issue.
  Restart Services: Sometimes, simply restarting the MQTT service or the entire SAP system can resolve transient issues.
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide guidance on troubleshooting.
  Documentation: Review the official SAP documentation for MQTT and related components to ensure that you are following best practices for configuration and management.
  Community Forums: Engage with the SAP community forums or user groups to see if others have encountered similar issues and what solutions they found effective.
  
  If the problem persists after trying the above solutions, it may be necessary to contact SAP support for further assistance.