How To Fix /UI5/MP_CA_APP008 - Inbound with id &1 already exists in base descriptor

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI5/MP_CA_APP -

• Message number: 008

• Message text: Inbound with id &1 already exists in base descriptor

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /UI5/MP_CA_APP008 - Inbound with id &1 already exists in base descriptor ?

  The SAP error message /UI5/MP_CA_APP008 Inbound with id &1 already exists in base descriptor typically occurs in the context of SAP Fiori or SAPUI5 applications when there is a conflict with the inbound configuration of a Fiori app. This error indicates that there is an attempt to create or register an inbound mapping (like a tile or a navigation target) that already exists in the system.
  Cause:
  
  
  Duplicate Inbound Configuration: The most common cause of this error is that there is already an existing inbound configuration with the same ID in the base descriptor. This can happen if:
  
  The same app is being registered multiple times.
  There are multiple entries in the same or different transport requests that are trying to register the same inbound mapping.
  
  
  
  Transport Issues: If you are working with transport requests, it is possible that the same inbound mapping was included in multiple transport requests, leading to conflicts when they are imported.
  
  
  Development Environment Issues: If you are working in a development environment, it is possible that changes were made directly in the system that conflict with the changes being transported.
  
  
  Solution:
  
  
  Check Existing Inbound Configurations: 
  
  Go to the SAP Fiori Launchpad Designer or the relevant transaction (like /UI2/FLP) and check the existing inbound configurations for the application. Look for the ID mentioned in the error message.
  If you find a duplicate, you may need to delete or modify the existing entry.
  
  
  
  Review Transport Requests: 
  
  If you are using transport requests, review the requests to ensure that the same inbound mapping is not included in multiple requests. If it is, you may need to adjust the transport requests accordingly.
  
  
  
  Clear Cache: 
  
  Sometimes, clearing the cache can help resolve issues related to stale configurations. You can clear the cache using the transaction /UI2/FLP or by using the relevant cache clearing options in your SAP system.
  
  
  
  Check for Development Changes: 
  
  If changes were made directly in the development environment, ensure that they are consistent with the transport requests. If necessary, revert any conflicting changes.
  
  
  
  Consult Documentation: 
  
  Refer to the SAP documentation or notes related to Fiori app configuration for any specific guidelines or updates that may address this issue.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might provide additional insights or solutions for this specific error.
  SAP Community: The SAP Community forums can be a valuable resource for finding similar issues faced by other users and the solutions they found.
  Fiori Launchpad Configuration: Familiarize yourself with the Fiori Launchpad configuration and the process of managing inbound mappings to avoid similar issues in the future.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.