How To Fix /UI2/CDM3_EXPO_ENT006 - Invalid delta token

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI2/CDM3_EXPO_ENT -

• Message number: 006

• Message text: Invalid delta token

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /UI2/CDM3_EXPO_ENT006 - Invalid delta token ?

  The SAP error message /UI2/CDM3_EXPO_ENT006 Invalid delta token typically occurs in the context of SAP Fiori applications that utilize the SAP Gateway and OData services. This error is related to the delta token mechanism used for tracking changes in data, particularly when using the OData protocol for data retrieval.
  Cause:
  
  
  Invalid Delta Token: The error indicates that the delta token being used in the request is no longer valid. This can happen if:
  
  The data has changed since the last request, and the delta token is outdated.
  The session has expired or the user has logged out.
  The underlying data model has changed, invalidating previous delta tokens.
  
  
  
  Data Model Changes: If there have been changes to the underlying data model (e.g., changes in the structure of the OData service), it can lead to invalidation of existing delta tokens.
  
  
  Caching Issues: Sometimes, caching mechanisms can lead to the use of stale delta tokens.
  
  
  Solution:
  
  
  Refresh the Delta Token: To resolve the issue, you can try to refresh the delta token by:
  
  Making a new request to the OData service without the delta token to retrieve the latest data.
  After retrieving the latest data, you can obtain a new delta token for subsequent requests.
  
  
  
  Check Session State: Ensure that the user session is active and has not expired. If it has, re-authenticate the user.
  
  
  Review Data Model Changes: If there have been changes to the data model, ensure that the OData service is updated accordingly. You may need to regenerate the service or update the metadata.
  
  
  Clear Cache: If caching is causing the issue, clear the cache of the application or the browser to ensure that the latest data and tokens are being used.
  
  
  Debugging: If the issue persists, consider enabling debugging or logging for the OData service to get more insights into what might be causing the invalid delta token error.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific version of SAP you are using.
  OData Documentation: Review the OData documentation for best practices on handling delta queries and tokens.
  Fiori Application Logs: Check the logs for the specific Fiori application to gather more context about the error.
  
  If the problem continues after trying these solutions, it may be beneficial to consult with your SAP support team or refer to the SAP Community for further assistance.