How To Fix SDDIC_ADT_DDLX055 - Cannot annotate '&1'. The type of the annotated entity is not supported

SDDIC_ADT_DDLX055 - Overview

• Message type: E = Error

• Message class: SDDIC_ADT_DDLX - Messages for CDS Metadata Extension

• Message number: 055

• 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 VIEW" syntax, the following types are supported:
Views
View Entities
Projection Views

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?

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_DDLX055 - Cannot annotate '&1'. The type of the annotated entity is not supported ?

  The SAP error message SDDIC_ADT_DDLX055 indicates that there is an issue with annotating a specific entity in your ABAP Development Tools (ADT) environment. The 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 error can occur due to several reasons:
  
  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 objects (like tables or views).
  Incorrect Annotation Usage: You might be using an annotation that is not valid for the context or the entity type you are working with.
  Version Compatibility: The version of the ABAP system or the tools you are using may not support the annotation