How To Fix SDDIC_ADT_DDLX905 - Post annotations are not supported in metadata extensions

SDDIC_ADT_DDLX905 - Overview

• Message type: E = Error

• Message class: SDDIC_ADT_DDLX - Messages for CDS Metadata Extension

• Message number: 905

• Message text: Post annotations are not supported in metadata extensions

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SDDIC_ADT_DDLX905 - Post annotations are not supported in metadata extensions ?

  The SAP error message SDDIC_ADT_DDLX905 indicates that there is an issue with the use of post annotations in metadata extensions within the context of SAP's ABAP Development Tools (ADT). This error typically arises when you are trying to use certain annotations that are not supported in the context of metadata extensions.
  
  Cause:
  The error occurs because:
  
  You are attempting to use post annotations in a metadata extension, which is not allowed. Metadata extensions are meant to extend the metadata of existing objects, and certain annotations (like post annotations) are not applicable in this context.
  The specific annotations you are trying to use may not be compatible with the type of object or the context in which you are working.
  
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Review Annotations: Check the annotations you are using in your metadata extension. Ensure that you are not using post annotations or any other annotations that are not supported in