How To Fix /IWXBE/CORE189 - Outbound topic '&1' already exists for channel '&2'

/IWXBE/CORE189 - Overview

• Message type: E = Error

• Message class: /IWXBE/CORE -

• Message number: 189

• Message text: Outbound topic '&1' already exists for channel '&2'

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/CORE189 - Outbound topic '&1' already exists for channel '&2' ?

  The SAP error message /IWXBE/CORE189 Outbound topic '&1' already exists for channel '&2' typically occurs in the context of SAP's integration with messaging systems, such as SAP Event Mesh (formerly known as SAP Enterprise Messaging). This error indicates that there is an attempt to create an outbound topic that already exists for a specific channel.
  
  Cause:
  
  Duplicate Topic Creation: The error is primarily caused by an attempt to create a new outbound topic that has the same name as an existing topic for the specified channel. This can happen if the configuration is being applied multiple times or if there is a misconfiguration in the setup.
  
  Configuration Issues: There may be issues in the configuration files or settings where the same topic is defined more than once.
  Concurrent Operations: If multiple processes or users are trying to create the same topic simultaneously, it can lead to this error.
  
  
  Solution:
  
  Check Existing Topics: Verify the existing topics