How To Fix /IWBEP/CM_V4_MED367 - Entity Type-specific complex type '&1' must not have complex properties

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4_MED -

• Message number: 367

• Message text: Entity Type-specific complex type '&1' must not have complex properties

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4_MED367 - Entity Type-specific complex type '&1' must not have complex properties ?

  The SAP error message /IWBEP/CM_V4_MED367 indicates that there is an issue with the definition of an entity type in your OData service. Specifically, it states that the entity type-specific complex type &1 must not have complex properties. This error typically arises when you are trying to define a complex type that contains other complex types as properties, which is not allowed in certain contexts within OData services.
  Cause:
  
  Complex Type Definition: In OData, complex types can contain properties of primitive types and other complex types. However, when defining an entity type, it is expected that it should not have complex properties if it is being used in a certain way (e.g., as part of a navigation property).
  Service Metadata: The error may also arise from inconsistencies in the service metadata or the way the entity types and complex types are defined in the data model.
  OData Version: Depending on the OData version you are using, there may be restrictions on how complex types can be used.
  
  Solution:
  
  Review Complex Type Definition: Check the definition of the complex type &1 and ensure that it does not contain any complex properties. If it does, consider changing those properties to primitive types or restructuring your data model.
  Modify Entity Type: If the entity type is intended to have complex properties, you may need to redefine it as a complex type instead of an entity type, depending on your use case.
  Update Service Metadata: After making changes to the definitions, regenerate the service metadata and ensure that the changes are reflected correctly.
  Check OData Version Compliance: Ensure that your implementation complies with the OData version you are using, as different versions may have different rules regarding complex types.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for OData services and complex types to understand the limitations and best practices.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and how they resolved them.
  Debugging Tools: Use debugging tools available in SAP (like transaction codes SE80 or SEGW) to analyze the data model and identify where the complex properties are defined.
  
  By addressing the definition of the complex type and ensuring compliance with OData standards, you should be able to resolve the error message /IWBEP/CM_V4_MED367.