How To Fix UI051 - Entity type &1 does not exist

UI051 - Overview

• Message type: E = Error

• Message class: UI - Data Modeler: Messages for repository interfaces

• Message number: 051

• Message text: Entity type &1 does not exist

What causes this issue?

You tried to read the entity type &V1&. However, this entity type does
note exist in the database.

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?

Please check the syntax of the ID of the entity type.

Error message extract from SAP system. Copyright SAP SE.

UI051 - Details

• The SAP error message UI051, which states "Entity type &1 does not exist," typically occurs in the context of SAP Fiori or SAP UI5 applications when the system cannot find a specified entity type in the underlying data model or service. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  Incorrect Entity Name: The entity type specified in the application or service might be misspelled or incorrectly referenced.
  Service Not Activated: The OData service that contains the entity type may not be activated in the SAP Gateway.
  Model 
  Configuration Issues: The data model in the application may not be correctly configured to include the specified entity type.
  Authorization Issues: The user may not have the necessary authorizations to access the entity type.
  Backend Changes: Changes in the backend system, such as deletion or renaming of the entity type, can lead to this error.
  
  Solutions:
  
  Check Entity Name: Verify that the entity type name specified in