How To Fix RAP_DSP_TABLE_MSG010 - composition level of & is unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: RAP_DSP_TABLE_MSG - RAP Draft Service Provider Table Messages

• Message number: 010

• Message text: composition level of & is unknown

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 RAP_DSP_TABLE_MSG010 - composition level of & is unknown ?

  The SAP error message RAP_DSP_TABLE_MSG010 with the description "composition level of & is unknown" typically occurs in the context of the SAP RAP (Rapid Application Programming) model, particularly when dealing with the Data Model and the associated entities.
  Cause:
  This error usually indicates that the system is unable to determine the composition level of a specific entity or data structure. This can happen due to several reasons, including:
  
  Missing or Incorrect Configuration: The composition level may not be defined correctly in the RAP model or the associated CDS (Core Data Services) views.
  Inconsistent Data Model: There may be inconsistencies in the data model definitions, such as missing associations or incorrect annotations.
  Transport Issues: If the RAP model was transported from one system to another, there might be missing dependencies or configurations that were not transported correctly.
  Versioning Issues: If there are multiple versions of the same entity or data structure, the system might be referencing an outdated or incorrect version.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  Check the CDS Views: Ensure that the CDS views defining the entities have the correct annotations and that the composition levels are properly defined.
  Review the RAP Model Configuration: Verify that the RAP model is correctly configured, including the definitions of the business objects and their relationships.
  Check for Missing Dependencies: If the model was transported, ensure that all necessary dependencies and configurations are present in the target system.
  Debugging: Use the ABAP debugger to trace the execution and identify where the error is being triggered. This can provide insights into what is missing or misconfigured.
  Consult Documentation: Refer to the official SAP documentation for RAP and CDS to ensure that you are following best practices and guidelines.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance.
  
  Related Information:
  
  RAP Model: The RAP model is designed to simplify the development of business applications in SAP S/4HANA by providing a framework for building and consuming business services.
  CDS Views: Core Data Services (CDS) are a key component of the RAP model, allowing for the definition of semantically rich data models.
  SAP Community: Engaging with the SAP Community can provide additional insights and solutions from other users who may have encountered similar issues.
  
  If the problem persists after following these steps, consider reaching out to SAP support for further assistance.