How To Fix /IWBEP/CM_V4_RUNTIME094 - Initial value for $$deltatoken not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4_RUNTIME -

• Message number: 094

• Message text: Initial value for $$deltatoken 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_RUNTIME094 - Initial value for $$deltatoken not allowed ?

  The SAP error message /IWBEP/CM_V4_RUNTIME094 Initial value for $$deltatoken not allowed typically occurs in the context of OData services when there is an issue with the handling of delta tokens in the OData request. This error is related to the SAP Gateway and the way it processes OData requests, particularly when dealing with delta queries.
  Cause:
  
  Delta Token Misconfiguration: The error usually indicates that the initial value for the $$deltatoken parameter is not set correctly or is not allowed. This can happen if the service is not configured to support delta queries or if the delta token is being passed incorrectly.
  Service Implementation Issues: If the OData service is not properly implemented to handle delta queries, it may lead to this error.
  Versioning Issues: There might be a mismatch in the versions of the OData service or the client making the request, leading to incompatibility in handling delta tokens.
  
  Solution:
  
  Check Service Configuration: Ensure that the OData service is configured to support delta queries. This can be done in the SAP Gateway Service Builder (transaction code SEGW).
  Review Implementation: If you are the developer of the OData service, review the implementation of the service to ensure that it correctly handles delta queries and the associated tokens.
  Correct Usage of Delta Token: When making requests, ensure that the $$deltatoken parameter is being used correctly. If you are making an initial request, it should not include a delta token.
  Testing with Different Clients: If you are using a specific client to make the OData requests, try using a different client or tool (like Postman) to see if the issue persists.
  Check for Updates: Ensure that your SAP system is up to date with the latest support packages and notes, as there may be fixes related to OData services and delta handling.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to OData services and delta token handling for any known issues or patches.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Documentation: Review the official SAP documentation on OData services and delta query handling for best practices and configuration guidelines.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.