How To Fix /IWBEP/CM_V4_MED040 - Operation '&1' already exists; overloading not supported

/IWBEP/CM_V4_MED040 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_V4_MED -

• Message number: 040

• Message text: Operation '&1' already exists; overloading not supported

Self-Explanatory Message

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/IWBEP/CM_V4_MED040 - Details

• The SAP error message /IWBEP/CM_V4_MED040 Operation '&1' already exists; overloading not supported typically occurs in the context of SAP Gateway and OData services. This error indicates that there is an attempt to define multiple operations with the same name in an OData service, which is not allowed because OData does not support overloading of operations.
  
  Cause:
  
  Duplicate Operation Names: The most common cause of this error is that there are multiple operations (e.g., GET, POST, PUT, DELETE) defined with the same name in the service implementation.
  Service Definition Issues: The service definition might have been incorrectly configured, leading to the same operation being defined multiple times.
  Model Conflicts: If you are using multiple data models or service definitions that overlap, it can lead to conflicts where the same operation name is used.
  
  
  Solution:
  
  Check Operation Names: Review the service implementation in the SAP Gateway Service Builder (transaction code SEGW) and ensure that all operation names are