How To Fix EIT_GW_COMMON021 - JSON Property &1 has no primitve type.

EIT_GW_COMMON021 - Overview

• Message type: E = Error

• Message class: EIT_GW_COMMON - Extensibility Template: Common Messages

• Message number: 021

• Message text: JSON Property &1 has no primitve type.

Self-Explanatory Message

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EIT_GW_COMMON021 - Details

• The SAP error message EIT_GW_COMMON021 indicates that there is an issue with a JSON property in your SAP Gateway service. Specifically, the error message states that the JSON property specified (denoted by &1) does not have a primitive type. This typically means that the property is expected to be a simple data type (like string, integer, boolean, etc.), but it is not defined as such in the service's metadata.
  
  Cause:
  
  Incorrect Data Type Definition: The property in the data model might be defined as a complex type instead of a primitive type. This can happen if the data model is not correctly set up in the backend.
  Service Metadata Issues: The service metadata might not be correctly generated or might be out of sync with the underlying data model.
  JSON Structure: The JSON being sent to the service might not match the expected structure, leading to the service expecting a primitive type but receiving