How To Fix /IWBEP/CM_ANALYTICS010 - Only one 'Select' parameter is supported

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_ANALYTICS -

• Message number: 010

• Message text: Only one 'Select' parameter is supported

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_ANALYTICS010 - Only one 'Select' parameter is supported ?

  The SAP error message /IWBEP/CM_ANALYTICS010: Only one 'Select' parameter is supported typically occurs in the context of SAP Gateway and OData services when there is an issue with the way the OData query is structured, particularly with the $select query option.
  Cause:
  This error arises when an OData service is called with multiple $select parameters in the query string. The OData protocol allows for the selection of specific fields from an entity, but in some implementations, especially in certain versions of SAP Gateway, only one $select parameter is allowed. This can happen if:
  
  The OData request is incorrectly formed with multiple $select clauses.
  The service implementation does not support multiple selections due to limitations in the underlying data model or service design.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the OData Query: Review the OData request being sent to the service. Ensure that there is only one $select parameter and that it contains a comma-separated list of the fields you want to retrieve. For example:
  /YourService/Entity?$select=Field1,Field2,Field3
  
  
  Modify the Service Implementation: If you have control over the OData service implementation, you may need to adjust the code to handle multiple selections if that is a requirement. This may involve modifying the method that processes the $select parameter to parse and handle multiple fields correctly.
  
  
  Consult Documentation: Refer to the SAP Gateway documentation for your specific version to understand the limitations and capabilities of the $select option. This can provide insights into how to structure your queries correctly.
  
  
  Testing: After making changes, test the OData service again to ensure that the error is resolved and that the expected data is returned.
  
  
  Related Information:
  
  OData Protocol: Understanding the OData protocol and its query options (like $select, $filter, etc.) can help in constructing valid requests.
  SAP Gateway: Familiarize yourself with the SAP Gateway framework, as it provides the tools and methods for creating and managing OData services.
  Error Handling: Implement proper error handling in your application to catch and log such errors for easier troubleshooting in the future.
  
  If the issue persists after following these steps, consider reaching out to SAP support or consulting the SAP Community for further assistance.