How To Fix RSO563 - Only one append can exist for each switch

SAP Error Message - Details

• Message type: E = Error

• Message class: RSO - BW Repository

• Message number: 563

• Message text: Only one append can exist for each switch

You attempted to assign the append&SYST-MSGV1& to the switch&SYST-MSGV2&
. This is not possible because the append&SYST-MSGV3& is already
assigned to this switch.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSO563 - Only one append can exist for each switch ?

  The SAP error message RSO563, which states "Only one append can exist for each switch," typically occurs in the context of SAP BW (Business Warehouse) when dealing with InfoObjects and their associated data models. This error indicates that there is an attempt to create or modify an append structure for an InfoObject that already has an existing append structure associated with a specific switch.
  Cause:
  
  Existing Append Structure: The primary cause of this error is that there is already an append structure defined for the InfoObject in question. In SAP BW, append structures are used to add additional fields to existing InfoObjects, but only one append structure can be associated with a given switch.
  Switch Configuration: The error may also arise from incorrect configuration of the switch settings in the InfoObject, where the system is trying to create a new append structure while one already exists.
  
  Solution:
  To resolve the RSO563 error, you can follow these steps:
  
  
  Check Existing Appends:
  
  Go to the Data Dictionary (transaction SE11) and check the InfoObject in question.
  Look for any existing append structures associated with that InfoObject. If one exists, you will need to decide whether to modify the existing append or delete it if it is no longer needed.
  
  
  
  Modify Existing Append:
  
  If the existing append structure is still relevant, consider modifying it to include the new fields you need instead of creating a new append.
  
  
  
  Delete Unused Appends:
  
  If the existing append structure is not needed, you can delete it. However, be cautious with this approach, as it may affect existing data models or reports that rely on that append.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to InfoObjects and append structures for any specific guidelines or best practices.
  
  
  
  Check Transport Requests:
  
  If you are working in a development environment, ensure that there are no pending transport requests that might be causing conflicts with the append structures.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for further assistance, especially if this is a production environment.
  
  
  
  Related Information:
  
  InfoObjects: These are the basic building blocks in SAP BW that represent data fields.
  Append Structures: These are used to extend the functionality of InfoObjects by adding additional fields.
  Switches: In SAP BW, switches are used to control the visibility and availability of certain fields or functionalities based on specific conditions.
  
  By following these steps, you should be able to resolve the RSO563 error and continue with your SAP BW development tasks.