How To Fix /IWBEP/CM_V4_MED118 - Multiple binding parameters found for operation '&1'. Only one is allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4_MED -

• Message number: 118

• Message text: Multiple binding parameters found for operation '&1'. Only one is allowed

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4_MED118 - Multiple binding parameters found for operation '&1'. Only one is allowed ?

  The SAP error message /IWBEP/CM_V4_MED118 indicates that there are multiple binding parameters found for a specific operation in an OData service, but only one binding parameter is allowed. This typically occurs when the OData service is expecting a single entity or resource to be specified, but the request includes multiple parameters that could potentially match.
  Cause:
  
  Multiple Parameters: The request sent to the OData service includes multiple parameters that are intended to bind to a single entity. For example, if you have an operation that expects a single key (like an ID), but the request includes multiple keys or parameters, this error will occur.
  Incorrect URL Structure: The URL structure used in the request may not conform to the expected format, leading to ambiguity in identifying the resource.
  Service Definition Issues: There may be issues in the service definition or metadata that allow for multiple bindings when only one is expected.
  
  Solution:
  
  
  Check the Request: Review the request being sent to the OData service. Ensure that you are only sending one binding parameter that corresponds to the expected entity. For example, if the operation is expecting a single ID, make sure only one ID is included in the request.
  
  
  Correct URL Format: Ensure that the URL is correctly formatted. For example, if you are trying to access a specific entity, the URL should look something like this:
  /EntitySet('EntityID')
  Instead of:
  /EntitySet('EntityID1', 'EntityID2')
  
  
  Review Service Metadata: Check the service metadata (usually accessible via the $metadata endpoint) to understand the expected parameters for the operation. This will help you identify what is required and what is not.
  
  
  Debugging: If you have access to the backend, you can debug the OData service to see how the parameters are being processed. This can provide insights into why multiple bindings are being detected.
  
  
  Consult Documentation: Refer to the SAP documentation for the specific OData service you are using. There may be specific guidelines or examples that can help clarify the expected request format.
  
  
  Related Information:
  
  OData Protocol: Understanding the OData protocol and how it handles entity binding can be beneficial. OData typically uses URIs to identify resources, and the structure of these URIs is crucial for correct operation.
  SAP Gateway: If you are using SAP Gateway, familiarize yourself with the transaction codes like /IWFND/MAINT_SERVICE to manage and maintain your OData services.
  Error Handling: Implement error handling in your application to gracefully manage such errors and provide meaningful feedback to users.
  
  By following these steps, you should be able to resolve the error and ensure that your OData requests are correctly formatted and processed.