How To Fix /IWBEP/SBOD449 - Schema Alias '&1' is not unique

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/SBOD -

• Message number: 449

• Message text: Schema Alias '&1' is not unique

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 /IWBEP/SBOD449 - Schema Alias '&1' is not unique ?

  The SAP error message /IWBEP/SBOD449 Schema Alias '&1' is not unique typically occurs in the context of SAP Gateway or OData services when there is a conflict with schema aliases in the service definition. This error indicates that the specified schema alias is not unique, meaning that there are multiple definitions or entries for the same alias in the system.
  Cause:
  
  
  Duplicate Schema Aliases: The most common cause of this error is that there are multiple schema definitions with the same alias in the service metadata. This can happen if:
  
  The same schema is defined multiple times in different places.
  There are inconsistencies in the naming conventions used for schema aliases.
  
  
  
  Incorrect Service Registration: If the OData service has been registered incorrectly or if there are remnants of old service definitions that have not been cleaned up, this can lead to conflicts.
  
  
  Transport Issues: If changes have been transported from one system to another (e.g., from development to production) without proper checks, it may lead to duplicate entries.
  
  
  Solution:
  
  
  Check Schema Definitions: 
  
  Go to the relevant transaction (e.g., /IWBEP/REG_SERVICE for service registration) and check the schema definitions for the service in question.
  Look for duplicate entries of the schema alias and resolve them by renaming or removing duplicates.
  
  
  
  Clean Up Metadata:
  
  If you find that there are remnants of old definitions, you may need to clean up the metadata. This can involve deleting or deactivating old services that are no longer in use.
  
  
  
  Re-register the Service:
  
  If the issue persists, consider re-registering the OData service. This can sometimes resolve conflicts that arise from previous registrations.
  
  
  
  Check Transport Requests:
  
  If the issue arose after a transport, check the transport requests to ensure that they did not inadvertently introduce duplicates. You may need to adjust the transport or manually correct the definitions.
  
  
  
  Consult Documentation: 
  
  Review SAP documentation or notes related to the specific version of SAP Gateway you are using, as there may be version-specific considerations or patches available.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  /IWBEP/REG_SERVICE: For registering and managing OData services.
  /IWBEP/ERROR_LOG: To check for additional error logs related to OData services.
  
  
  
  SAP Notes: 
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  
  
  
  Community Forums: 
  
  Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  
  
  By following these steps, you should be able to identify and resolve the issue related to the non-unique schema alias in your SAP system.