How To Fix /IWFND/CM_COS034 - OIC list type '&1' does not support Query parameters


/IWFND/CM_COS034 - Overview

  • Message type: E = Error

  • Message class: /IWFND/CM_COS -

  • Message number: 034

  • Message text: OIC list type '&1' does not support Query parameters

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  • Self-Explanatory Message

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/IWFND/CM_COS034 - Details

  • The SAP error message /IWFND/CM_COS034 indicates that the OData service you are trying to access does not support query parameters for the specified list type. This typically occurs when you are trying to use query options (like $filter, $select, $expand, etc.) on an entity set that is not designed to handle them.
    
    Cause: Unsupported List Type: The entity set you are querying is defined in such a way that it does not support query parameters. This could be due to the way the OData service is implemented or configured. Service Definition: The OData service might be using a specific list type that is not designed to handle dynamic queries. Model Configuration: The underlying data model or the service definition may not have been set up to allow for query options.
    Solution: Check Service Metadata: Review the service metadata (usually accessible via the $metadata endpoint) to understand the capabilities of the entity set you are querying. Look

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