How To Fix /UI5/DTA032 - Reference app '&1' does not exist, or exists in a layer higher than '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI5/DTA -

• Message number: 032

• Message text: Reference app '&1' does not exist, or exists in a layer higher than '&2'

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /UI5/DTA032 - Reference app '&1' does not exist, or exists in a layer higher than '&2' ?

  The SAP error message /UI5/DTA032 Reference app '&1' does not exist, or exists in a layer higher than '&2' typically occurs in the context of SAP Fiori/UI5 applications. This error indicates that the system is unable to find the specified reference application (&1) or that it exists in a layer that is higher than the one being accessed (&2). 
  Causes:
  
  Non-existent Application: The reference application you are trying to access does not exist in the system.
  Layering Issues: The application exists, but it is in a higher layer (e.g., a development layer) than the one you are currently working in (e.g., a production layer).
  Transport Issues: The application may not have been transported correctly to the target system.
  Configuration Issues: There may be configuration issues in the SAP Fiori launchpad or the UI5 application settings.
  
  Solutions:
  
  
  Check Application Existence:
  
  Verify that the reference application (&1) exists in the system. You can do this by checking the relevant transaction codes or using the SAP Fiori apps library.
  
  
  
  Layer Verification:
  
  Ensure that you are accessing the application in the correct layer. If the application exists in a higher layer, you may need to switch to that layer or ensure that the application is available in the layer you are currently using.
  
  
  
  Transport the Application:
  
  If the application is in a higher layer and needs to be available in the current layer, ensure that it has been properly transported to the target system. Check the transport logs for any issues.
  
  
  
  Check Configuration:
  
  Review the configuration settings in the SAP Fiori launchpad. Ensure that the application is correctly defined in the launchpad and that all necessary roles and authorizations are assigned.
  
  
  
  Clear Cache:
  
  Sometimes, clearing the browser cache or the SAP Gateway cache can resolve issues related to application visibility.
  
  
  
  Consult Documentation:
  
  Refer to the SAP Help Portal or the SAP Community for any specific notes or documentation related to the error message.
  
  
  
  Related Information:
  
  SAP Fiori Launchpad: The central entry point for SAP Fiori applications, where you can manage and configure applications.
  UI5 Application Development: Understanding the structure and deployment of UI5 applications can help in troubleshooting issues related to application references.
  Transport Management System (TMS): Familiarity with TMS can help in managing the transport of applications between different SAP systems.
  
  If the issue persists after trying the above solutions, consider reaching out to your SAP Basis or development team for further assistance.