How To Fix /IWNGW/CM_BEP_RT029 - Since method '&1' not implemented, perfoming action(s) using method '&2'

/IWNGW/CM_BEP_RT029 - Overview

• Message type: E = Error

• Message class: /IWNGW/CM_BEP_RT -

• Message number: 029

• Message text: Since method '&1' not implemented, perfoming action(s) using method '&2'

Self-Explanatory Message

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/IWNGW/CM_BEP_RT029 - Details

• The SAP error message /IWNGW/CM_BEP_RT029 indicates that a specific method (denoted as &1) is not implemented in the system, and as a fallback, the system is attempting to perform actions using an alternative method (denoted as &2). This error typically arises in the context of SAP Gateway services, particularly when dealing with OData services.
  
  Cause:
  
  Missing Implementation: The primary cause of this error is that the method specified (e.g., GET, POST, PUT, DELETE) is not implemented in the corresponding service or data provider class.
  Service Configuration: The OData service may not be properly configured to handle the requested operation.
  Versioning Issues: There may be discrepancies between the service version and the client request, leading to the unavailability of the expected method.
  Transport Issues: If the service was recently transported from one system to another, the implementation might not have been included.
  
  
  Solution:
  
  
  Implement the Missing Method:
  
  Check the service implementation in the SAP Gateway Service Builder (transaction code