How To Fix SADL_GEN_DRFT_MSG057 - CDS-Views with parameters are not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: SADL_GEN_DRFT_MSG - Message for Draft generation

• Message number: 057

• Message text: CDS-Views with parameters are not supported

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SADL_GEN_DRFT_MSG057 - CDS-Views with parameters are not supported ?

  The SAP error message SADL_GEN_DRFT_MSG057 indicates that there is an issue with using Core Data Services (CDS) views that contain parameters in the context of the SAP Application Development Framework (SADL). This error typically arises when you attempt to use a CDS view that has input parameters in a scenario where parameters are not supported, such as in certain types of queries or when generating draft entities.
  Cause
  The primary cause of this error is that the CDS view you are trying to use includes parameters, but the context in which you are trying to use it does not support parameterized CDS views. This can happen in scenarios like:
  
  When trying to create a draft entity from a CDS view that has input parameters.
  When using the CDS view in a way that expects a static definition rather than a dynamic one.
  
  Solution
  To resolve this error, you can consider the following approaches:
  
  
  Remove Parameters: If possible, modify the CDS view to remove the parameters. This will allow the view to be used in contexts that do not support parameters.
  
  
  Use Static Values: If the parameters are necessary for your logic, consider using static values or constants in the CDS view instead of parameters.
  
  
  Create a Non-Parameterized Version: If you need to keep the parameters for other use cases, consider creating a separate non-parameterized version of the CDS view specifically for the context where you are encountering this error.
  
  
  Check Usage Context: Ensure that you are using the CDS view in a context that supports parameterized views. Review the documentation for the specific framework or tool you are using to see if there are any restrictions.
  
  
  Consult Documentation: Review the SAP documentation for SADL and CDS views to understand the limitations and best practices regarding parameterized views.
  
  
  Debugging: If you are unsure where the issue lies, use debugging tools to trace the execution and see where the error is being triggered.
  
  
  Related Information
  
  CDS Views: Core Data Services (CDS) is a framework for defining semantically rich data models in SAP. CDS views can include annotations and can be used in various SAP applications.
  SADL: The SAP Application Development Framework (SADL) provides tools and services for building applications on top of SAP data models.
  SAP Notes and Community: Check SAP Notes for any known issues or patches related to this error. The SAP Community forums can also be a valuable resource for finding solutions and discussing similar issues with other developers.
  
  By following these steps, you should be able to address the SADL_GEN_DRFT_MSG057 error and successfully work with your CDS views.