How To Fix /IWBEP/CM_V4_ST020 - Property '&1' is not nullable. But its value control indicates null.

/IWBEP/CM_V4_ST020 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_V4_ST -

• Message number: 020

• Message text: Property '&1' is not nullable. But its value control indicates null.

Self-Explanatory Message

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/IWBEP/CM_V4_ST020 - Details

• The SAP error message /IWBEP/CM_V4_ST020 Property '&1' is not nullable. But its value control indicates null. typically occurs in the context of OData services when there is a mismatch between the expected data model and the actual data being processed. This error indicates that a property in your OData entity is defined as non-nullable, but the value being passed for that property is null.
  
  Cause:
  
  Data Model Definition: The property in the OData service is defined as non-nullable in the metadata (e.g., in the EDM model), meaning it must always have a value.
  Data Input: The data being sent to the OData service (e.g., during an update or create operation) contains a null value for this property, which violates the non-nullable constraint.
  Client-Side Logic: There may be an issue in the client-side logic (e.g., UI5 application) where the property is not being set correctly before the request is sent.
  
  
  Solution:
  
  Check Metadata: Review the OData service