How To Fix /UI2/SAP_NWBC018 - Method &1 is not supported in &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI2/SAP_NWBC -

• Message number: 018

• Message text: Method &1 is not supported in &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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /UI2/SAP_NWBC018 - Method &1 is not supported in &2 ?

  The SAP error message /UI2/SAP_NWBC018 Method &1 is not supported in &2 typically occurs in the context of SAP Fiori or SAP NetWeaver Business Client (NWBC) when a specific method is called that is not supported for the given object or service. This error can arise due to various reasons, including configuration issues, unsupported operations, or incorrect usage of the API.
  Causes:
  
  Unsupported Method: The method being called (indicated by &1) is not implemented or supported for the object type (indicated by &2).
  Incorrect Configuration: The service or application may not be properly configured to support the requested method.
  Version Mismatch: There may be a version mismatch between the client and the backend system, leading to unsupported methods being called.
  Authorization Issues: The user may not have the necessary authorizations to execute the method.
  Service Activation: The OData service or the relevant backend service may not be activated or properly set up.
  
  Solutions:
  
  Check Method Support: Verify the documentation for the specific object or service to ensure that the method you are trying to use is indeed supported.
  Review Configuration: Check the configuration settings in the SAP system to ensure that the service is correctly set up and that all necessary components are activated.
  Update System: If there is a version mismatch, consider updating the client or backend system to ensure compatibility.
  Authorization Check: Ensure that the user has the necessary authorizations to access the method. You may need to consult with your SAP security team.
  Service Activation: Use transaction code /IWFND/MAINT_SERVICE to check if the OData service is active. If not, activate it.
  Debugging: If you have access, use the SAP Gateway Client (transaction /IWFND/GW_CLIENT) to test the service and see if the method can be called directly. This can help isolate the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to the specific method or service you are using. SAP Notes often provide patches or workarounds.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  Documentation: Review the official SAP documentation for the specific Fiori app or service to understand its capabilities and limitations.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.