How To Fix /IWBEP/CM_V4_MED380 - Parameter '&1' on operation '&2' is not primitive type based

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4_MED -

• Message number: 380

• Message text: Parameter '&1' on operation '&2' is not primitive type based

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4_MED380 - Parameter '&1' on operation '&2' is not primitive type based ?

  The SAP error message /IWBEP/CM_V4_MED380 indicates that there is an issue with the data type of a parameter in an OData service operation. Specifically, the error message states that the parameter &1 on operation &2 is not of a primitive type. In OData, primitive types include basic data types such as String, Int, Boolean, etc. Non-primitive types could be complex types or collections.
  
  Cause:
  
  Incorrect Data Type Definition: The parameter in question is defined as a complex type or collection in the OData service, but the operation expects a primitive type.
  Service Implementation Error: The implementation of the OData service might be incorrectly handling the parameter, leading to a mismatch between the expected and actual data types.
  Model 
  Configuration Issues: There may be issues in the data model configuration, where the parameter is not correctly defined in the metadata.
  
  
  Solution:
  
  Check Parameter Definition: Review the definition of the parameter in the OData service. Ensure that it