How To Fix /IWXBE/CORE138 - No active channel found for topic '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWXBE/CORE -

• Message number: 138

• Message text: No active channel found for topic '&1'

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/CORE138 - No active channel found for topic '&1' ?

  The SAP error message /IWXBE/CORE138 No active channel found for topic '&1' typically occurs in the context of SAP's Event Management or related systems that utilize the SAP Event Mesh (formerly known as SAP Cloud Platform Event Mesh). This error indicates that there is no active communication channel available for the specified topic, which is necessary for message processing.
  Causes:
  
  Inactive Communication Channel: The communication channel associated with the specified topic is not active or has been disabled.
  Configuration Issues: There may be misconfigurations in the event subscription or the topic settings.
  Network Issues: There could be network connectivity problems preventing the system from accessing the required communication channel.
  Topic Name Mismatch: The topic name specified in the error message may not match any existing topics in the system.
  Authorization Issues: The user or service account may not have the necessary permissions to access the topic.
  
  Solutions:
  
  
  Check Communication Channel Status:
  
  Go to the SAP system where the communication channel is configured and verify that the channel is active.
  If it is inactive, activate it.
  
  
  
  Review Configuration:
  
  Ensure that the topic is correctly configured in the Event Mesh settings.
  Check the event subscription settings to confirm that they are pointing to the correct topic.
  
  
  
  Network Connectivity:
  
  Verify that there are no network issues preventing access to the Event Mesh or the communication channel.
  Check firewall settings and ensure that the necessary ports are open.
  
  
  
  Validate Topic Name:
  
  Double-check the topic name in the error message to ensure it matches the configured topic in the system.
  If there is a typo or mismatch, correct it in the configuration.
  
  
  
  Check Authorizations:
  
  Ensure that the user or service account has the necessary permissions to access the topic.
  Review the roles and authorizations assigned to the user/service account.
  
  
  
  Logs and Monitoring:
  
  Check the logs for any additional error messages or warnings that might provide more context about the issue.
  Use monitoring tools to track the status of the communication channels and topics.
  
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for Event Mesh and Event Management for detailed configuration and troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and to find potential solutions.
  SAP Notes: Search for relevant SAP Notes that may address this specific error or provide patches and updates.
  
  By following these steps, you should be able to identify and resolve the issue related to the error message /IWXBE/CORE138 No active channel found for topic '&1'.