How To Fix /UI5/MP_CA_APP016 - Inbound &1 to preserve does not exist in base descriptor

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI5/MP_CA_APP -

• Message number: 016

• Message text: Inbound &1 to preserve does not exist 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_APP016 - Inbound &1 to preserve does not exist in base descriptor ?

  The SAP error message /UI5/MP_CA_APP016 Inbound &1 to preserve does not exist in base descriptor typically occurs in the context of SAP Fiori or SAPUI5 applications when there is an issue with the configuration of the application's metadata or the way the application is trying to access certain resources.
  Cause:
  
  
  Missing Inbound Configuration: The error indicates that the inbound configuration specified (denoted by &1) does not exist in the base descriptor. This could happen if:
  
  The inbound configuration was not defined in the application descriptor (e.g., manifest.json).
  There is a mismatch between the defined inbound configuration and what the application is trying to access.
  The application is trying to reference an inbound configuration that has been deleted or renamed.
  
  
  
  Incorrect Namespace or Path: The application might be looking for an inbound configuration in the wrong namespace or path.
  
  
  Deployment Issues: If the application was recently deployed or updated, there might be issues with the deployment that caused the inbound configuration to not be recognized.
  
  
  Solution:
  
  
  Check the Inbound Configuration:
  
  Open the manifest.json file of your SAPUI5 application.
  Look for the sap.app section and ensure that the inbound configuration is correctly defined under sap.ui5.routing.routes or sap.ui5.routing.targets.
  Ensure that the inbound configuration matches what the application is trying to access.
  
  
  
  Verify the Base Descriptor:
  
  Ensure that the base descriptor (e.g., the service or component descriptor) is correctly set up and includes the necessary inbound configurations.
  If you are using a custom component, ensure that it is properly registered and that the inbound configuration is defined.
  
  
  
  Check for Typos: Look for any typos in the inbound configuration name or path that might be causing the application to fail to find the correct descriptor.
  
  
  Deployment Verification: If the application was recently deployed, verify that the deployment was successful and that all necessary files were included. You may want to redeploy the application to ensure that all configurations are correctly applied.
  
  
  Clear Cache: Sometimes, caching issues can cause the application to not recognize the latest changes. Clear the browser cache or use the "hard reload" option to ensure that the latest version of the application is loaded.
  
  
  Consult Documentation: If you are still facing issues, refer to the SAP documentation for the specific version of SAPUI5 you are using, as there may be version-specific considerations.
  
  
  Related Information:
  
  SAP Fiori Launchpad: If you are using the SAP Fiori Launchpad, ensure that the application is correctly registered in the launchpad and that the necessary roles and authorizations are assigned.
  SAP Notes: Check for any relevant SAP Notes that might address known issues related to this error message.
  Community Forums: Consider reaching out to SAP Community forums or support channels for additional assistance if the issue persists.
  
  By following these steps, you should be able to identify and resolve the cause of the error message /UI5/MP_CA_APP016.