How To Fix /IWBEP/CM_V4_RUNTIME091 - Initial value for used page size not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4_RUNTIME -

• Message number: 091

• Message text: Initial value for used page size not allowed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4_RUNTIME091 - Initial value for used page size not allowed ?

  The SAP error message /IWBEP/CM_V4_RUNTIME091 with the description "Initial value for used page size not allowed" typically occurs in the context of OData services when there is an issue with the pagination settings in the service configuration. This error indicates that the page size specified for the OData service is not valid or is outside the acceptable range.
  Cause:
  
  Invalid Page Size Configuration: The page size specified in the OData service configuration may be set to a value that is not allowed. This could be due to a negative value, zero, or a value that exceeds the maximum limit defined in the system.
  Service Implementation Issues: If the OData service is custom-built, there may be issues in the implementation that lead to incorrect handling of pagination parameters.
  System Settings: The system settings for the OData service may not be configured correctly, leading to this error.
  
  Solution:
  
  
  Check OData Service Configuration:
  
  Go to the OData service configuration in the SAP Gateway (transaction /IWFND/MAINT_SERVICE).
  Verify the settings for the page size. Ensure that the page size is set to a positive integer and within the allowed limits.
  
  
  
  Adjust Page Size in the Request:
  
  If you are making a request to the OData service, check the $top parameter in your request URL. Ensure that it is set to a valid positive integer.
  Example: https://<service-url>?$top=10 (where 10 is a valid page size).
  
  
  
  Review Custom Code:
  
  If you have custom implementations, review the code to ensure that pagination parameters are being handled correctly.
  Ensure that any logic that sets the page size does not result in invalid values.
  
  
  
  Check System Parameters:
  
  Review the system parameters related to OData services and pagination. Ensure that they are set correctly and that there are no restrictions that would lead to this error.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for OData services and pagination to understand the valid ranges and configurations.
  
  
  
  Testing:
  
  After making changes, test the OData service again to ensure that the error is resolved.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they found effective.
  OData Documentation: Review the official SAP OData documentation for best practices on service configuration and pagination.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.