How To Fix CM_EHFND_PRPTY_COMN021 - Parent type "&1" cannot be assigned to the property "&2".

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_EHFND_PRPTY_COMN - Message Class for Product Compliance Property Common Message

• Message number: 021

• Message text: Parent type "&1" cannot be assigned to the property "&2".

What causes this issue?

The parent type &V1& cannot be assigned to the property &V2&.

System Response

The system does not change the property &V2&.

How to fix this error?

Contact your system administrator.

Procedure for System Administrators

Check the configuration of the property &V2&. The parent type &V3& can
be assigned.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CM_EHFND_PRPTY_COMN021 - Parent type "&1" cannot be assigned to the property "&2". ?

  The SAP error message CM_EHFND_PRPTY_COMN021 indicates that there is an issue with the assignment of a parent type to a property in the context of the SAP Cloud Application Programming Model (CAP) or similar frameworks. This error typically arises when there is a mismatch between the expected data types or structures in your model definitions.
  Cause:
  
  Type Mismatch: The parent type you are trying to assign does not match the expected type for the property. This could be due to incorrect data type definitions in your entity or model.
  Model Definition Errors: There may be errors in the way the entities and their relationships are defined in your CDS (Core Data Services) views or other model definitions.
  Inheritance Issues: If you are using inheritance in your data model, the parent type may not be correctly defined or may not be compatible with the child type.
  
  Solution:
  
  Check Data Types: Verify that the data types of the parent type and the property are compatible. Ensure that the property is defined with the correct type that matches the parent type.
  Review Model Definitions: Go through your CDS views or other model definitions to ensure that the relationships and types are correctly defined. Look for any typos or incorrect references.
  Adjust Inheritance: If you are using inheritance, ensure that the parent type is correctly defined and that the child type properly extends it. Make sure that all required properties are inherited correctly.
  Consult Documentation: Refer to the SAP documentation for the specific version you are using to understand the expected structure and types for your model.
  Testing: After making changes, test the model to ensure that the error is resolved. You may also want to check for any related errors that could indicate further issues.
  
  Related Information:
  
  SAP Community: You can search for similar issues on the SAP Community forums, where other developers may have encountered and resolved the same error.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Debugging Tools: Use debugging tools available in your SAP environment to trace the error and understand where the mismatch is occurring.
  
  By following these steps, you should be able to identify and resolve the issue causing the CM_EHFND_PRPTY_COMN021 error message.