How To Fix UD423 - Reduced view activated (Some entity types may be suppressed)

SAP Error Message - Details

• Message type: E = Error

• Message class: UD - EDM - Enterprise Data Model

• Message number: 423

• Message text: Reduced view activated (Some entity types may be suppressed)

What causes this issue?

You have selected Edit->Reduced view. Until now the standard view was
activated. Now you have switched to the reduced view. If entity types
occur in the data model for which the 'Reduced' flag is not set, they
are now suppressed in the display.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

This is for information only. No action is required.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UD423 - Reduced view activated (Some entity types may be suppressed) ?

  The SAP error message UD423, which states "Reduced view activated (Some entity types may be suppressed)," typically occurs in the context of using the SAP Gateway or OData services. This message indicates that a reduced view of the data is being presented, which may not include all the entity types or fields that you might expect.
  Cause:
  The error is generally caused by one of the following reasons:
  
  
  Reduced View Configuration: The OData service or the data model has been configured to present a reduced view, which means that not all entity types or fields are available for the user or application consuming the service.
  
  
  Authorization Issues: The user may not have the necessary authorizations to access certain entity types or fields, leading to their suppression in the view.
  
  
  Service Definition: The OData service may have been defined in such a way that it only exposes a subset of the data model, either intentionally or due to misconfiguration.
  
  
  Data Model Changes: Changes in the underlying data model or entity types may not have been reflected in the OData service, leading to discrepancies in what is available.
  
  
  Solution:
  To resolve the UD423 error, you can take the following steps:
  
  
  Check Service Configuration:
  
  Review the OData service configuration in the SAP Gateway. Ensure that the service is set up to expose all the necessary entity types and fields.
  Use transaction code /IWFND/MAINT_SERVICE to check the service and its metadata.
  
  
  
  Review Authorizations:
  
  Ensure that the user has the necessary authorizations to access all the entity types. You may need to check the roles assigned to the user and the corresponding authorizations.
  
  
  
  Update Service Metadata:
  
  If there have been changes to the underlying data model, regenerate the service metadata. This can be done using transaction code /IWFND/REG_SERVICE to register the service again.
  
  
  
  Consult Documentation:
  
  Review the documentation for the specific OData service to understand which entity types are intended to be exposed and whether the reduced view is expected behavior.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the OData service to identify where the suppression of entity types is occurring. This may involve looking at the implementation of the service or the data provider class.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the specific OData service or the error message for any known issues or patches.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they have found.
  Documentation: Refer to the official SAP documentation for OData services and the SAP Gateway for best practices and troubleshooting steps.
  
  By following these steps, you should be able to identify the cause of the UD423 error and implement a solution to resolve it.