How To Fix SDDIC_ADT_DDLX077 - Cannot annotate '&1'. The type of the annotated entity is not supported

SDDIC_ADT_DDLX077 - Overview

• Message type: E = Error

• Message class: SDDIC_ADT_DDLX - Messages for CDS Metadata Extension

• Message number: 077

• Message text: Cannot annotate '&1'. The type of the annotated entity is not supported

What causes this issue?

The type of the annotated entity is not supported.
With the "ANNOTATE ENTITY" syntax, the following types are supported:
Views
View Entities
Projection Views
Abstract Entities
Hierarchies

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

System Response

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SDDIC_ADT_DDLX077 - Cannot annotate '&1'. The type of the annotated entity is not supported ?

  The SAP error message SDDIC_ADT_DDLX077 indicates that there is an issue with annotating a specific entity in the context of the ABAP Development Tools (ADT) for Eclipse. The error message states that the type of the annotated entity is not supported, which typically means that the entity you are trying to annotate does not meet the requirements for the specific annotation you are attempting to apply.
  Cause
  The primary causes of this error can include:
  
  
  Unsupported Entity Type: The entity you are trying to annotate may not be of a type that supports the specific annotation you are using. For example, certain annotations may only be applicable to specific types of database tables, views, or other objects.
  
  
  Incorrect Annotation Usage: You may be using an annotation that is not valid for the context or the type of the entity. This can happen if the annotation is intended for a different type of object.
  
  
  Version Compatibility: