How To Fix EIT_GW_COMMON028 - Item handler did not return any content for item &1 of type &2.

SAP Error Message - Details

• Message type: E = Error

• Message class: EIT_GW_COMMON - Extensibility Template: Common Messages

• Message number: 028

• Message text: Item handler did not return any content for item &1 of type &2.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message EIT_GW_COMMON028 - Item handler did not return any content for item &1 of type &2. ?

  The SAP error message EIT_GW_COMMON028 indicates that the item handler did not return any content for a specific item in the context of a Gateway service. This typically occurs in scenarios where an OData service is being called, and the expected data for a particular item is not being retrieved or returned.
  Cause:
  
  Missing Data: The item specified (denoted by &1) of the type specified (denoted by &2) may not exist in the database or the underlying data source.
  Incorrect Item Handler Logic: The logic in the item handler (the backend code responsible for fetching the data) may not be correctly implemented, leading to no data being returned.
  Authorization Issues: The user may not have the necessary authorizations to access the data for the specified item.
  Service Configuration Issues: The OData service may not be properly configured, or the metadata may not be correctly defined.
  Data Filtering: There may be filters applied that exclude the item from being returned.
  
  Solution:
  
  Check Data Existence: Verify that the item exists in the database. You can do this by querying the relevant database table directly.
  Review Item Handler Code: Inspect the implementation of the item handler to ensure that it is correctly fetching and returning the data. Look for any conditions that might prevent data from being returned.
  Check Authorizations: Ensure that the user has the necessary authorizations to access the data. You can check this in the user roles and authorizations assigned to the user.
  Service Configuration: Review the OData service configuration in the SAP Gateway. Ensure that the service is properly registered and that the metadata is correctly defined.
  Debugging: Use debugging tools to step through the item handler logic to identify where the data retrieval might be failing.
  Check Filters: If there are any filters applied in the OData request, ensure that they are not excluding the item you are trying to access.
  
  Related Information:
  
  SAP Gateway: This is the technology that allows you to connect devices, environments, and applications to SAP systems. Understanding how it works can help in troubleshooting issues related to OData services.
  OData Services: Familiarize yourself with how OData services are structured and how they interact with the backend data models.
  SAP Notes: Check for any relevant SAP Notes that might address known issues related to this error message.
  Transaction Codes: Use transaction codes like /IWFND/MAINT_SERVICE to manage OData services and /IWFND/GW_CLIENT to test OData services.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution.