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

SAP Error Message - Details

• 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

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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 this context.
  
  
  Use Supported Annotations: Replace unsupported annotations with those that are valid for metadata extensions. Refer to the SAP documentation for a list of supported annotations for the specific type of metadata extension you are working with.
  
  
  Check Documentation: Consult the official SAP documentation or the ABAP Development Tools documentation for guidance on which annotations are allowed in metadata extensions.
  
  
  Refactor Code: If you need to use post annotations, consider refactoring your code to use them in a different context where they are supported, such as in a standard ABAP class or a different type of object.
  
  
  Testing: After making changes, test your code to ensure that the error is resolved and that the functionality works as expected.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might provide additional insights or updates regarding this error.
  SAP Community: Engage with the SAP Community forums to see if other developers have encountered similar issues and what solutions they have found.
  ABAP Development Tools Documentation: Familiarize yourself with the latest features and limitations of ABAP Development Tools, especially regarding annotations and metadata extensions.
  
  By following these steps, you should be able to resolve the SDDIC_ADT_DDLX905 error and successfully work with metadata extensions in your SAP environment.