Message type: E = Error
Message class:  /IWBEP/CM_MGW_SUB -  
Message number: 006
Message text: '&1' is not a valid change type
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The SAP error message /IWBEP/CM_MGW_SUB006 '&1' is not a valid change type typically occurs in the context of SAP Gateway and OData services when there is an issue with the change type being used in a request. This error indicates that the change type specified in the request is not recognized or is invalid.
Cause: Invalid Change Type: The change type provided in the request (e.g., "CREATE", "UPDATE", "DELETE") is not one of the expected values. This could be due to a typo or an unsupported operation.
Configuration Issues: The OData service may not be properly configured to handle the specified change type. Service Implementation: The backend implementation of the OData service may not support the requested change type, possibly due to missing methods or incorrect service definitions. Version Mismatch: There may be a mismatch between the client and server versions of the OData service, leading to unsupported operations.
Solution: Check Change Type: Verify the change type
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