/IWFND/CM_MGW057 - Operation '&1' not supported for '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_MGW -

• Message number: 057

• Message text: Operation '&1' not supported for '&2'

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

AnswerBot

• What is the cause and solution for SAP error message /IWFND/CM_MGW057 - Operation '&1' not supported for '&2' ?

  The SAP error message /IWFND/CM_MGW057 Operation '&1' not supported for '&2' typically occurs in the context of SAP Gateway and OData services. This error indicates that the operation you are trying to perform (e.g., GET, POST, PUT, DELETE) is not supported for the specified entity or resource.
  Causes:
  
  Unsupported Operation: The operation you are trying to execute is not implemented for the specified entity type. For example, if you are trying to perform a POST operation on an entity that only supports GET operations.
  Service Configuration: The OData service may not be configured correctly to handle the requested operation for the specified entity.
  Entity Set Issues: The entity set may not be defined properly in the service metadata, or the entity type may not support the requested operation.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to perform the operation on the specified entity.
  
  Solutions:
  
  Check Service Implementation: Review the implementation of the OData service to ensure that the operation you are trying to perform is supported for the specified entity. This may involve checking the service's code or the annotations.
  Review Metadata: Use the OData service's metadata (usually accessible via a URL like /sap/opu/odata/sap/<service_name>/$metadata) to verify that the entity set and operations are correctly defined.
  Adjust Service Configuration: If the operation is not supported, you may need to adjust the service configuration or implement the necessary logic to handle the operation.
  Check Authorizations: Ensure that the user has the necessary authorizations to perform the operation on the entity. This may involve checking roles and authorizations in the SAP system.
  Debugging: If you have access to the backend, you can debug the OData service to see where the error is occurring and why the operation is not supported.
  
  Related Information:
  
  SAP Gateway: This is the technology that allows you to expose SAP data and business logic as OData services.
  OData Protocol: Understanding the OData protocol can help in troubleshooting issues related to service operations.
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide guidance on specific error messages.
  Transaction Codes: Use transaction codes like /IWFND/MAINT_SERVICE to manage OData services and check their status.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.