How To Fix SADL_GW020 - Paging query option $$top or $$skip is not within the supported range

SAP Error Message - Details

• Message type: E = Error

• Message class: SADL_GW -

• Message number: 020

• Message text: Paging query option $$top or $$skip is not within the supported range

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SADL_GW020 - Paging query option $$top or $$skip is not within the supported range ?

  The SAP error message SADL_GW020 indicates that a paging query option, specifically $$top or $$skip, is being used in a way that is not supported by the system. This typically occurs when the values provided for these options exceed the limits set by the SAP Gateway or the underlying data model.
  Cause:
  
  Exceeding Limits: The values for $$top (which specifies the maximum number of records to return) or $$skip (which specifies the number of records to skip) are set to numbers that are either too high or negative.
  Data Model Constraints: The data model or the service being accessed may have specific constraints on how many records can be paged through at once.
  Configuration Issues: There may be configuration settings in the SAP Gateway or the OData service that limit the paging capabilities.
  
  Solution:
  
  Check Values: Ensure that the values for $$top and $$skip are within acceptable ranges. For example, $$top should be a positive integer and not exceed the maximum number of records that can be returned by the service.
  Adjust Paging Logic: If you are implementing custom logic for paging, make sure that the logic correctly calculates the values for $$top and $$skip based on the total number of records available.
  Review Service Metadata: Check the metadata of the OData service to understand the limits imposed on paging. This can often be found in the service documentation or by inspecting the service's metadata document.
  Consult SAP Notes: Look for any relevant SAP Notes or documentation that may address this specific error or provide guidance on paging limitations.
  Testing: Test the service with smaller values for $$top and $$skip to see if the error persists. This can help identify if the issue is related to specific values being used.
  
  Related Information:
  
  SAP Gateway: The SAP Gateway is responsible for handling OData services and may have specific configurations that affect how paging is handled.
  OData Protocol: Understanding the OData protocol can help in troubleshooting issues related to query options like $$top and $$skip.
  Performance Considerations: When implementing paging, consider the performance implications of returning large datasets and how it may affect the user experience.
  
  If the issue persists after checking these aspects, it may be beneficial to reach out to SAP support for further assistance.