How To Fix /IWBEP/SBOD140 - Principal key type must be the same as the dependent property type

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/SBOD -

• Message number: 140

• Message text: Principal key type must be the same as the dependent property type

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/SBOD140 - Principal key type must be the same as the dependent property type ?

  The SAP error message /IWBEP/SBOD140 indicates that there is a mismatch between the principal key type and the dependent property type in your OData service definition. This typically occurs when you are defining relationships between entities in your OData model, and the data types of the keys do not match.
  Cause:
  
  Data Type Mismatch: The principal entity's key (the entity that is being referenced) has a different data type than the dependent entity's foreign key (the entity that references the principal).
  Model Definition Issues: There may be issues in the way the OData model is defined, such as incorrect annotations or misconfigured relationships.
  Inconsistent Metadata: The metadata definitions for the entities may not be consistent, leading to type mismatches.
  
  Solution:
  
  
  Check Data Types: Ensure that the data types of the principal key and the dependent property are the same. For example, if the principal key is defined as an Integer, the corresponding foreign key in the dependent entity should also be defined as an Integer.
  
  
  Review Entity Relationships: Go through the entity relationship definitions in your OData model. Make sure that the relationships are correctly defined and that the keys are properly mapped.
  
  
  Update Annotations: If you are using annotations to define relationships, ensure that they are correctly specified and that they match the data types of the keys.
  
  
  Regenerate Metadata: If you have made changes to the data types or relationships, regenerate the OData service metadata to ensure that the changes are reflected.
  
  
  Check for Inheritance: If you are using inheritance in your data model, ensure that the keys in the base and derived entities are compatible.
  
  
  Test with Sample Data: After making changes, test the OData service with sample data to ensure that the error is resolved.
  
  
  Related Information:
  
  OData Model: Understanding how to define entities, keys, and relationships in an OData model is crucial. Refer to SAP documentation on OData service development for best practices.
  SAP Gateway: If you are using SAP Gateway, familiarize yourself with the tools available for modeling and debugging OData services.
  Error Logs: Check the error logs for additional context or related errors that might help in diagnosing the issue.
  
  By following these steps, you should be able to resolve the error message /IWBEP/SBOD140 and ensure that your OData service is correctly configured.