How To Fix /UI5/DESCRIPTOR_MERG008 - Change type &1 is allowed only for app variants

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI5/DESCRIPTOR_MERG -

• Message number: 008

• Message text: Change type &1 is allowed only for app variants

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /UI5/DESCRIPTOR_MERG008 - Change type &1 is allowed only for app variants ?

  The SAP error message /UI5/DESCRIPTOR_MERG008 Change type &1 is allowed only for app variants typically occurs in the context of SAP Fiori applications when there is an attempt to modify the application descriptor (manifest.json) in a way that is not permitted for the current application type. This error is specifically related to the change types that can be applied to the application descriptor.
  Cause:
  The error is triggered when you try to apply a change type that is only applicable to app variants (like creating or modifying a variant of an application) to a standard application. The change types in question could include operations like adding or modifying specific properties in the manifest that are only valid for app variants, not for the main application.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Change Type: Review the change type you are trying to apply. Ensure that it is appropriate for the application you are working with. If you are trying to create or modify an app variant, make sure you are doing so in the context of an app variant.
  
  
  Use the Correct Application Type: If you need to make changes to the main application, ensure that you are using the correct change type that is allowed for standard applications. You may need to refer to the SAP documentation to understand which change types are permissible for different application types.
  
  
  Create an App Variant: If your intention is to create a variant of the application, ensure that you are following the correct procedure to create an app variant. This typically involves using the SAP Fiori Launchpad or the appropriate development tools to create and manage app variants.
  
  
  Consult Documentation: Refer to the official SAP documentation for the specific version of SAP UI5 or Fiori you are using. This documentation will provide detailed information on the allowed change types and how to properly manage app variants.
  
  
  Check for Updates: Ensure that your SAP system is up to date, as there may be patches or updates that address issues related to application descriptors and variants.
  
  
  Related Information:
  
  SAP Fiori Launchpad: Familiarize yourself with how the Fiori Launchpad manages applications and variants.
  SAP UI5 Documentation: Review the SAP UI5 documentation for guidelines on application descriptors and the types of changes that can be made.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they have found.
  
  By following these steps, you should be able to resolve the error and successfully manage your SAP Fiori applications and their variants.