Message type: E = Error
Message class: /IWFND/CM_DESIGNTIME -
Message number: 020
Message text: Web service operation name invalid
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.
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.
The SAP error message
/IWFND/CM_DESIGNTIME020
indicates that there is an issue with the web service operation name being invalid in the context of the SAP Gateway or OData service. This error typically arises when the system cannot find the specified operation or when the operation name does not conform to the expected format.Causes:
- Invalid Operation Name: The operation name specified in the request does not match any of the defined operations in the OData service.
- Service Not Activated: The OData service might not be activated in the SAP Gateway.
- Incorrect URL: The URL used to access the OData service might be incorrect or malformed.
- Authorization Issues: The user may not have the necessary authorizations to access the specified operation.
- Model Changes: Changes in the data model or service definition that have not been properly reflected in the service implementation.
Solutions:
- Check Operation Name: Verify that the operation name in your request matches exactly with the operation defined in the OData service. Ensure there are no typos or case sensitivity issues.
- Activate the Service: Go to the SAP Gateway Service Builder (transaction code
/IWFND/MAINT_SERVICE
) and ensure that the service is activated. If it is not, activate it.- Review the URL: Double-check the URL you are using to access the OData service. Ensure it follows the correct format and includes the correct service name and operation.
- Check Authorizations: Ensure that the user making the request has the necessary authorizations to access the OData service and its operations.
- Regenerate the Service: If there have been changes to the data model, consider regenerating the service in the Service Builder to ensure that all changes are reflected.
- Check Service Metadata: Access the service metadata (usually available at the URL
.../$metadata
) to confirm that the operation is defined as expected.Related Information:
/IWFND/MAINT_SERVICE
: To manage and activate OData services./IWFND/ERROR_LOG
: To view error logs related to OData services.By following these steps, you should be able to identify and resolve the issue causing the /IWFND/CM_DESIGNTIME020
error message.
/IWFND/CM_DESIGNTIME019 Proxy class name invalid
Self-Explanatory Message Since SAP believes that this specific error message is ...
/IWFND/CM_DESIGNTIME018 Transport request has not been specified
Self-Explanatory Message Since SAP believes that this specific error message is ...
/IWFND/CM_DESIGNTIME021 Specified operation is not Web service operation
Self-Explanatory Message Since SAP believes that this specific error message is ...
/IWFND/CM_DESIGNTIME022 Unexpected parameter class: '&1'
Self-Explanatory Message Since SAP believes that this specific error message is ...
SAP messages fall into 3 different categories: Error messages
(message type = E), Warnings (W) or Informational (I) messages.
An error message will prevent you from continuing your work - it is a hard stop and you need to fix the error before you can proceed. A warning message will stop your work, however, you can then bypass the warning by pressing the Enter key on your keyboard. That said, it is still good practice to investigate the cause of the warning message and address it. An information message will not stop your work and is truly just for informational purposes.
Click on this link to search all SAP messages.