How To Fix /UI2/CDMFCC258 - Layer &1 is not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI2/CDMFCC -

• Message number: 258

• Message text: Layer &1 is not supported

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /UI2/CDMFCC258 - Layer &1 is not supported ?

  The SAP error message /UI2/CDMFCC258 Layer &1 is not supported typically indicates that there is an issue with the configuration or compatibility of the UI layer in the SAP Fiori or SAP UI5 environment. This error can occur when the system is trying to access a specific layer that is not available or not supported in the current configuration.
  Causes:
  
  Unsupported Layer: The specified layer (e.g., a specific version of Fiori or UI5) is not supported in the current system setup.
  Configuration Issues: There may be misconfigurations in the SAP Fiori launchpad or the UI5 application settings.
  Version Mismatch: The version of the UI5 libraries being used may not be compatible with the backend system or the Fiori launchpad.
  Missing Components: Required components or services may not be activated in the SAP system.
  
  Solutions:
  
  Check Layer Support: Verify the supported layers in your SAP system. You can do this by checking the SAP Fiori or UI5 documentation for your specific version.
  Update Configuration: Ensure that the configuration for the Fiori launchpad and UI5 applications is correct. This may involve checking the settings in the SAP Fiori launchpad designer.
  Upgrade UI5 Libraries: If you are using an outdated version of UI5, consider upgrading to a version that is compatible with your backend system.
  Activate Required Services: Make sure that all necessary OData services and components are activated in the SAP Gateway and backend system.
  Check for Notes and Patches: Look for any SAP Notes or patches that may address this specific error. SAP frequently releases updates that fix known issues.
  
  Related Information:
  
  SAP Fiori Launchpad: The central entry point for Fiori applications, where you can manage tiles and groups.
  SAP UI5: A development toolkit for building responsive web applications, which is often used in conjunction with Fiori.
  SAP Notes: Check the SAP Support Portal for any relevant notes that may provide additional context or solutions for this error.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered and resolved similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or development team for further investigation.