How To Fix /IWXBE/CORE143 - Subscription '&1' in channel '&2' does already exist

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWXBE/CORE -

• Message number: 143

• Message text: Subscription '&1' in channel '&2' does already exist

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /IWXBE/CORE143 - Subscription '&1' in channel '&2' does already exist ?

  The SAP error message /IWXBE/CORE143 Subscription '&1' in channel '&2' does already exist typically occurs in the context of SAP's Integration Suite or related services where subscriptions to specific channels are managed. This error indicates that there is an attempt to create a subscription that already exists for the specified channel.
  Cause:
  
  Duplicate Subscription: The most common cause of this error is that a subscription with the same identifier (&1) for the specified channel (&2) already exists in the system.
  Concurrent Requests: If multiple requests to create the same subscription are made simultaneously, it can lead to this error.
  Configuration Issues: There may be issues in the configuration or setup of the channels and subscriptions that lead to conflicts.
  
  Solution:
  
  Check Existing Subscriptions: Before creating a new subscription, check the existing subscriptions for the specified channel to confirm if the subscription already exists. You can do this through the SAP interface or relevant API calls.
  Modify or Delete Existing Subscription: If the subscription already exists and you need to create a new one, consider modifying the existing subscription or deleting it if it is no longer needed.
  Use Unique Identifiers: Ensure that the identifiers used for subscriptions are unique to avoid conflicts.
  Error Handling in Code: If you are programmatically creating subscriptions, implement error handling to catch this specific error and handle it gracefully, such as by skipping the creation or updating the existing subscription instead.
  Consult Documentation: Refer to the official SAP documentation for the specific module you are working with to understand the expected behavior and best practices for managing subscriptions.
  
  Related Information:
  
  SAP Notes and Knowledge Base Articles: Check SAP's support portal for any notes or articles related to this error message for additional insights or patches.
  Integration Suite Documentation: Review the documentation for the SAP Integration Suite or the specific service you are using to understand how subscriptions and channels are managed.
  Community Forums: Engage with the SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to resolve the error and manage your subscriptions effectively.