How To Fix SD_CDS_READ_API033 - Field path generation: Invalid stack expr type: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: SD_CDS_READ_API -

• Message number: 033

• Message text: Field path generation: Invalid stack expr type: &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SD_CDS_READ_API033 - Field path generation: Invalid stack expr type: &1 ?

  The SAP error message SD_CDS_READ_API033 with the description "Field path generation: Invalid stack expr type: &1" typically occurs in the context of SAP S/4HANA when working with Core Data Services (CDS) views, particularly in the Sales and Distribution (SD) module. This error indicates that there is an issue with the expression type in the field path generation process.
  Cause:
  
  Invalid Data Type: The error often arises when there is an invalid or unsupported data type being used in the CDS view or in the associated ABAP code.
  Incorrect Field Mapping: If the fields in the CDS view are not correctly mapped or if there are inconsistencies in the data model, it can lead to this error.
  Syntax Errors: There may be syntax errors in the CDS view definition or in the associated ABAP code that are causing the field path generation to fail.
  Incompatible Versions: If there are version mismatches between the CDS view and the underlying database or if the system is not updated, it can lead to such errors.
  
  Solution:
  
  Check Data Types: Review the data types of the fields in the CDS view and ensure they are compatible with the expected types. Make sure that all fields used in expressions are of valid types.
  Review Field Mappings: Ensure that all fields are correctly mapped and that there are no inconsistencies in the data model. Check for any changes in the underlying tables or structures.
  Syntax Review: Carefully review the syntax of the CDS view definition. Look for any typos or incorrect expressions that could lead to this error.
  Update System: Ensure that your SAP system is up to date with the latest support packages and notes. Sometimes, bugs in earlier versions can lead to such errors, and applying the latest updates can resolve them.
  Debugging: If you have access to the ABAP debugger, you can set breakpoints in the relevant code to trace where the error is occurring and gather more information about the invalid expression type.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to this error message. SAP frequently releases notes that address specific bugs or provide guidance on resolving common issues.
  Documentation: Refer to the official SAP documentation for Core Data Services and the specific CDS views you are working with. This can provide insights into the expected data types and structures.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues. They can provide additional insights or solutions based on their experiences.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.