How To Fix RSODP_ODATA058 - Property name null at position &1; selection must be comma-separated list

SAP Error Message - Details

• Message type: E = Error

• Message class: RSODP_ODATA -

• Message number: 058

• Message text: Property name null at position &1; selection must be comma-separated list

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSODP_ODATA058 - Property name null at position &1; selection must be comma-separated list ?

  The SAP error message RSODP_ODATA058 indicates that there is an issue with the OData service request, specifically related to the selection of properties. The error message states that the property name is null at a certain position, and it expects a selection that must be a comma-separated list.
  Cause:
  This error typically occurs when:
  
  The OData query is malformed, particularly in the $select parameter where the properties to be returned are specified.
  There may be a missing or incorrectly formatted property name in the selection list.
  The request might be trying to access properties that do not exist or are not available in the OData service.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the OData Query: Review the OData request being sent to ensure that the $select parameter is correctly formatted. It should look something like this:
  $select=Property1,Property2,Property3
  Ensure that there are no empty entries or trailing commas.
  
  
  Validate Property Names: Make sure that all property names specified in the $select clause are valid and exist in the OData service metadata. You can check the service's metadata by appending $metadata to the service URL.
  
  
  Remove Null or Empty Values: If you are dynamically constructing the $select string, ensure that you are not including any null or empty values. You can implement a check to filter out any empty property names before constructing the query.
  
  
  Test with Minimal Selection: If you are unsure which property is causing the issue, try simplifying the $select clause to include only one or two properties at a time to identify the problematic property.
  
  
  Review Documentation: Consult the documentation for the specific OData service you are using to ensure you are following the correct syntax and that the properties you are trying to access are indeed available.
  
  
  Related Information:
  
  OData Protocol: Understanding the OData protocol and its conventions can help in constructing valid queries. The OData V4 specification provides detailed information on how to format requests.
  SAP Gateway: If you are using SAP Gateway, familiarize yourself with the tools available for testing OData services, such as the SAP Gateway Client (transaction /IWFND/GW_CLIENT).
  Error Logs: Check the SAP application logs (transaction SLG1) for more detailed error messages that might provide additional context for the issue.
  
  By following these steps, you should be able to identify and resolve the cause of the RSODP_ODATA058 error.