How To Fix /IWBEP/SBOD123 - Dependent Property for referential constraint must not be initial

/IWBEP/SBOD123 - Overview

• Message type: E = Error

• Message class: /IWBEP/SBOD -

• Message number: 123

• Message text: Dependent Property for referential constraint must not be initial

Self-Explanatory Message

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/IWBEP/SBOD123 - Details

• The SAP error message /IWBEP/SBOD123 indicates that there is an issue with a referential constraint in your OData service. Specifically, it means that a dependent property (a property that is part of a relationship) is being found to be initial (or empty) when it should not be. This typically occurs in scenarios where you are trying to create or update an entity that has a relationship with another entity, and the required foreign key or dependent property is not being populated correctly.
  
  Cause:
  
  Missing Required Fields: The dependent property that is part of a referential constraint is not being populated. This could be due to missing data in the request payload.
  Incorrect Mapping: The mapping of the properties in the OData service might not be set up correctly, leading to the dependent property not being recognized.
  Data Model Issues: There may be issues in the underlying data model where the relationships between entities are