How To Fix SADL_ANNOTATION001 - '&1' is not a subannotation of '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: SADL_ANNOTATION - Annotation handling related messages

• Message number: 001

• Message text: '&1' is not a subannotation of '&2'

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SADL_ANNOTATION001 - '&1' is not a subannotation of '&2' ?

  The SAP error message SADL_ANNOTATION001 '&1' is not a subannotation of '&2' typically occurs in the context of SAP's Semantic Annotation and Data Layer (SADL) framework. This error indicates that there is an issue with the annotations defined in your OData service or in the metadata of your data model. Specifically, it suggests that the system is trying to reference an annotation that is not valid or does not exist as a subannotation of the specified parent annotation.
  Cause
  The error can be caused by several factors:
  
  Incorrect Annotation Definition: The annotation you are trying to use is not defined as a subannotation of the specified parent annotation in the metadata.
  Typographical Errors: There may be a typo in the annotation name or the parent annotation name.
  Version Mismatch: The version of the OData service or the underlying data model may not support the specific annotation you are trying to use.
  Missing Annotations: The required annotations may not be included in the service definition or the data model.
  
  Solution
  To resolve this error, you can take the following steps:
  
  
  Check Annotation Definitions:
  
  Review the metadata of your OData service to ensure that the annotation you are trying to use is correctly defined as a subannotation of the specified parent annotation.
  You can use tools like the SAP Gateway Client or the Service Metadata Document to inspect the annotations.
  
  
  
  Correct Typographical Errors:
  
  Double-check the spelling and casing of both the annotation and the parent annotation names in your code or configuration.
  
  
  
  Update or Adjust the OData Service:
  
  If you are using an older version of the OData service, consider updating it to a version that supports the annotations you need.
  If you are developing a custom OData service, ensure that you have implemented the necessary annotations in your service definition.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for the specific version of the OData service you are using to understand the supported annotations and their hierarchy.
  
  
  
  Debugging:
  
  If you have access to the backend, you can enable debugging to trace the execution and see where the error is being triggered.
  
  
  
  Seek Help from SAP Community:
  
  If you are unable to resolve the issue, consider reaching out to the SAP Community or SAP Support for assistance. Provide them with details about your configuration and the exact error message.
  
  
  
  Related Information
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide guidance on annotation usage.
  OData Documentation: Familiarize yourself with the OData protocol and the specific annotations used in SAP's implementation.
  SADL Documentation: Review the SADL documentation for best practices and examples of how to correctly define and use annotations.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution.