How To Fix /IWBEP/CM_V4_MED080 - Complex type '&1' has not allowed key property '&2'

/IWBEP/CM_V4_MED080 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_V4_MED -

• Message number: 080

• Message text: Complex type '&1' has not allowed key property '&2'

Self-Explanatory Message

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/IWBEP/CM_V4_MED080 - Details

• The SAP error message /IWBEP/CM_V4_MED080 indicates that there is an issue with the definition of a complex type in your OData service. Specifically, it states that the complex type &1 has a key property &2 that is not allowed. This typically occurs when the OData service is trying to define a complex type that has a key property that does not conform to the expected structure or rules.
  Cause
  
  
  Incorrect Definition of Complex Type: The complex type may have been defined incorrectly in the data model. In OData, complex types can contain properties, but they cannot have key properties. Key properties are typically associated with entity types, not complex types.
  
  
  Misconfiguration in the Service: There may be a misconfiguration in the OData service definition, where a complex type is mistakenly treated as an entity type.
  
  
  Inconsistent Metadata: The metadata of the OData service may not be consistent with the underlying data model, leading to