How To Fix /IWBEP/CM_CP153 - Delta is not available

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_CP -

• Message number: 153

• Message text: Delta is not available

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_CP153 - Delta is not available ?

  The SAP error message /IWBEP/CM_CP153 Delta is not available typically occurs in the context of SAP Gateway and OData services when there is an issue with delta handling in the OData service. This error indicates that the system is unable to provide delta information for the requested entity set.
  Causes:
  
  Delta Functionality Not Implemented: The OData service may not have delta functionality implemented. Delta queries require specific logic to track changes in the data.
  No Changes Detected: If there are no changes in the underlying data since the last delta request, the system may return this error.
  Incorrect Delta Token: The delta token provided in the request may be invalid or expired.
  Service Configuration Issues: There may be issues with the configuration of the OData service or the underlying data model.
  Caching Issues: Sometimes, caching mechanisms can lead to inconsistencies, causing the delta information to be unavailable.
  
  Solutions:
  
  Check Delta Implementation: Ensure that the OData service is correctly implemented to support delta queries. This includes implementing the necessary methods in the service to handle delta requests.
  Verify Delta Token: If a delta token is being used, ensure that it is valid and corresponds to a previous request. If necessary, generate a new delta token.
  Review Service Configuration: Check the configuration of the OData service in the SAP Gateway. Ensure that the service is properly registered and activated.
  Test with Full Data Retrieval: If delta information is not available, try retrieving the full dataset to ensure that the service is functioning correctly.
  Check for Changes in Data: Ensure that there are actual changes in the underlying data that should trigger a delta response.
  Clear Cache: If caching is suspected to be an issue, consider clearing the cache for the OData service or the relevant data model.
  
  Related Information:
  
  SAP Gateway Documentation: Review the official SAP documentation for OData services and delta handling to understand the requirements and implementation details.
  Transaction Codes: Use transaction codes like /IWFND/MAINT_SERVICE to manage OData services and check their status.
  Debugging: If the issue persists, consider debugging the OData service to trace the execution flow and identify where the delta handling is failing.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide patches related to this error.
  
  If the problem continues after trying the above solutions, it may be beneficial to consult with your SAP Basis or development team for further investigation.