How To Fix /IWBEP/CM_COS_QRL004 - Delta token invalid. Try again without delta token

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_COS_QRL -

• Message number: 004

• Message text: Delta token invalid. Try again without delta token

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_COS_QRL004 - Delta token invalid. Try again without delta token ?

  The SAP error message /IWBEP/CM_COS_QRL004 Delta token invalid. Try again without delta token typically occurs in the context of SAP Gateway and OData services when there is an issue with the delta token used for tracking changes in data. This error indicates that the delta token provided in the request is no longer valid, which can happen for several reasons.
  Causes:
  
  Expired Delta Token: Delta tokens have a limited lifespan. If the token is too old, it may expire, leading to this error.
  Data Changes: If the underlying data has changed significantly (e.g., records have been deleted or modified), the delta token may become invalid.
  Service Configuration: There may be issues with the configuration of the OData service that affect how delta tokens are generated or validated.
  Session Issues: If the session has expired or if there are issues with the user session, it may lead to invalid delta tokens.
  Network Issues: Intermittent network issues can sometimes lead to the loss of the context associated with the delta token.
  
  Solutions:
  
  Retry Without Delta Token: As suggested in the error message, try making the request without the delta token. This will fetch the complete dataset instead of the incremental changes.
  Generate a New Delta Token: If you need to continue using delta queries, initiate a new request to generate a fresh delta token.
  Check Service Configuration: Review the configuration of the OData service to ensure that it is set up correctly for handling delta queries.
  Monitor Data Changes: If the underlying data is frequently changing, consider implementing a strategy to handle these changes more effectively, such as using a different approach for data synchronization.
  Session Management: Ensure that user sessions are managed properly and that they are not expiring unexpectedly.
  Consult Logs: Check the SAP Gateway logs for more detailed error messages that can provide additional context about why the delta token is invalid.
  
  Related Information:
  
  OData Services: Understanding how OData services work, especially in the context of SAP Gateway, can help in troubleshooting issues related to delta tokens.
  SAP Notes: Look for relevant SAP Notes that may address known issues or provide patches related to delta token handling.
  Documentation: Review the official SAP documentation for OData services and delta query handling to ensure compliance with best practices.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or development team for further investigation.