How To Fix EIT_GW_COMMON016 - Value of navigation property &1 must be an array.

EIT_GW_COMMON016 - Overview

• Message type: E = Error

• Message class: EIT_GW_COMMON - Extensibility Template: Common Messages

• Message number: 016

• Message text: Value of navigation property &1 must be an array.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message EIT_GW_COMMON016 - Value of navigation property &1 must be an array. ?

  The SAP error message EIT_GW_COMMON016 indicates that there is an issue with the value of a navigation property in an OData service. Specifically, the error states that the value of the navigation property must be an array, but it is not. This typically occurs when the OData service is expecting a collection of entities (an array) but receives a single entity or a different data type instead.
  
  Cause:
  
  Incorrect Data Structure: The data being sent to the OData service does not match the expected structure. For example, if the navigation property is defined as a collection in the OData model, but the client sends a single object instead of an array, this error will occur.
  Client-Side Code Issues: The client application (e.g., an SAP Fiori app or another frontend) may be incorrectly constructing the payload for the OData request.
  Service Definition Mismatch: There may be a mismatch between the OData service definition and the