How To Fix /IWBEP/CM_MGW_RT021 - Method '&1' not implemented in data provider class

/IWBEP/CM_MGW_RT021 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_MGW_RT -

• Message number: 021

• Message text: Method '&1' not implemented in data provider class

Self-Explanatory Message

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/IWBEP/CM_MGW_RT021 - Details

• The SAP error message /IWBEP/CM_MGW_RT021 Method '&1' not implemented in data provider class typically occurs in the context of SAP Gateway services when a method that is expected to be implemented in the data provider class is not found. This can happen when the OData service is trying to call a method (like GET, POST, PUT, DELETE, etc.) that has not been defined in the corresponding ABAP class.
  
  Cause:
  
  Missing Implementation: The method specified in the error message (e.g., GET, POST, etc.) is not implemented in the data provider class.
  Incorrect Service Registration: The OData service might not be correctly registered or activated in the SAP Gateway.
  Changes in Service: If there have been recent changes to the OData service or the underlying data provider class, it may lead to inconsistencies.
  Transport Issues: If the data provider class was transported from one system to another, the implementation might not have been included.
  
  
  Solution:
  
  
  Implement the Method: 
  
  Go