How To Fix /IWBEP/CM_V4S_RUN074 - Create operation not supported for complex collections

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4S_RUN -

• Message number: 074

• Message text: Create operation not supported for complex collections

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4S_RUN074 - Create operation not supported for complex collections ?

  The SAP error message /IWBEP/CM_V4S_RUN074 Create operation not supported for complex collections typically occurs in the context of OData services when you are trying to perform a create operation (POST) on a complex collection entity that does not support such operations. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  
  Complex Collections: In OData, a complex type can contain other complex types or collections. However, not all complex collections are designed to support create operations. This error indicates that the specific complex collection you are trying to create or modify does not allow for the creation of new entries.
  
  
  Service Definition: The OData service may not be configured to allow create operations on the complex collection. This could be due to the way the service is defined in the backend (e.g., in the ABAP backend).
  
  
  Data Model Constraints: The underlying data model may impose constraints that prevent the creation of new