How To Fix /UI2/CDMFCC159 - Error obtaining CDM key for entity: &1 '&2'.

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI2/CDMFCC -

• Message number: 159

• Message text: Error obtaining CDM key for entity: &1 '&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.

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/CDMFCC159 - Error obtaining CDM key for entity: &1 '&2'. ?

  The SAP error message /UI2/CDMFCC159 Error obtaining CDM key for entity: &1 '&2' typically indicates an issue related to the Core Data Model (CDM) in the SAP Fiori/UI5 environment. This error can occur when the system is unable to retrieve the necessary key for a specific entity, which can be due to various reasons.
  Causes:
  
  Missing or Incorrect Configuration: The entity might not be properly configured in the CDM or the OData service.
  Authorization Issues: The user may not have the necessary authorizations to access the entity or its data.
  Data Model Changes: If there have been recent changes to the data model or the underlying database, it may lead to inconsistencies.
  Service Activation: The OData service associated with the entity might not be activated or properly registered in the SAP Gateway.
  Caching Issues: Sometimes, caching issues can prevent the system from retrieving the latest data or configuration.
  
  Solutions:
  
  Check Configuration: Verify the configuration of the entity in the Core Data Model. Ensure that it is correctly defined and that all necessary fields are included.
  Review Authorizations: Check the user roles and authorizations to ensure that the user has access to the required entities and data.
  Activate OData Service: Go to the SAP Gateway Service Builder (transaction code /IWFND/MAINT_SERVICE) and ensure that the relevant OData service is activated.
  Clear Cache: Clear the cache of the SAP Gateway and the browser to ensure that you are working with the latest data.
  Check for Data Model Changes: If there have been recent changes to the data model, ensure that all related components are updated accordingly.
  Debugging: If the issue persists, consider debugging the OData service to identify where the failure occurs in obtaining the CDM key.
  
  Related Information:
  
  Transaction Codes: 
  
  /IWFND/MAINT_SERVICE for managing OData services.
  /UI2/FLP for accessing the Fiori Launchpad.
  
  
  SAP Notes: Check for any relevant SAP Notes that might address known issues related to this error.
  Documentation: Review the SAP Fiori and OData documentation for best practices in configuring and managing entities and services.
  
  If the problem continues after trying the above solutions, it may be beneficial to consult with your SAP Basis or development team for further investigation.