How To Fix REST_CORE_TEXTS007 - A not existing resource can't match arbitrary ETags

SAP Error Message - Details

• Message type: E = Error

• Message class: REST_CORE_TEXTS -

• Message number: 007

• Message text: A not existing resource can't match arbitrary ETags

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message REST_CORE_TEXTS007 - A not existing resource can't match arbitrary ETags ?

  The SAP error message REST_CORE_TEXTS007 indicates that a request was made to access a resource that does not exist, and it is related to the handling of ETags (Entity Tags) in HTTP responses. ETags are used for web cache validation and conditional requests, allowing clients to make requests that can be optimized based on the state of the resource.
  Cause:
  The error typically occurs in the following scenarios:
  
  Non-Existent Resource: The client is trying to access a resource (like an object or entity) that does not exist in the system.
  ETag Mismatch: The request includes an ETag header that does not match any existing resource, which is often the case when the resource has been deleted or never existed.
  Incorrect URL: The URL used in the request may be incorrect, leading to a request for a resource that cannot be found.
  
  Solution:
  To resolve the error, consider the following steps:
  
  
  Verify Resource Existence: Check if the resource you are trying to access actually exists in the system. You can do this by querying the resource directly or checking the database.
  
  
  Check the URL: Ensure that the URL you are using in your request is correct and points to the intended resource.
  
  
  Review ETag Usage: If you are using ETags in your requests, make sure that you are using the correct ETag value. If the resource has been modified or deleted, you may need to refresh your ETag value.
  
  
  Handle Non-Existent Resources Gracefully: Implement error handling in your application to manage cases where a resource does not exist. This can include returning a 404 Not Found response to the client.
  
  
  Consult Documentation: Review the SAP documentation related to the specific API or service you are using to ensure you are following the correct procedures for accessing resources.
  
  
  Related Information:
  
  HTTP Status Codes: Familiarize yourself with relevant HTTP status codes, such as 404 (Not Found) and 412 (Precondition Failed), which may be related to ETag handling.
  SAP API Documentation: Check the specific API documentation for any additional requirements or constraints regarding resource access and ETag usage.
  Debugging Tools: Use tools like Postman or curl to test your API requests and responses, which can help you identify issues with the request format or headers.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the REST_CORE_TEXTS007 error in SAP.