How To Fix CFD_PROXY_READ003 - Reading operation &1 of service interface &2 failed

SAP Error Message - Details

• Message type: E = Error

• Message class: CFD_PROXY_READ - Messages for Proxy Read Access

• Message number: 003

• Message text: Reading operation &1 of service interface &2 failed

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CFD_PROXY_READ003 - Reading operation &1 of service interface &2 failed ?

  The SAP error message CFD_PROXY_READ003 indicates that there was a failure in reading a specific operation of a service interface. This error typically occurs in the context of SAP's Cloud Application Programming (CAP) model or when working with service interfaces in SAP systems, particularly in scenarios involving OData services or APIs.
  Cause:
  The error can be caused by several factors, including:
  
  Service Interface Issues: The specified service interface may not be correctly defined or may not exist in the system.
  Authorization Problems: The user or system trying to access the service may not have the necessary permissions to read the operation.
  Network Issues: There may be connectivity problems between the client and the server, preventing the operation from being read.
  Configuration Errors: Incorrect configuration settings in the service or the system can lead to this error.
  Data Issues: The data being accessed may be corrupted or not in the expected format.
  
  Solution:
  To resolve the CFD_PROXY_READ003 error, you can take the following steps:
  
  
  Check Service Interface: Verify that the service interface and the specific operation exist and are correctly defined in the system. You can do this by checking the relevant service definitions in the SAP Gateway or the relevant transaction codes (like SE80 or SOAMANAGER).
  
  
  Review Authorizations: Ensure that the user or system has the necessary authorizations to access the service interface. You may need to check roles and permissions assigned to the user.
  
  
  Network Connectivity: Check for any network issues that might be affecting the connection to the service. This includes checking firewalls, proxies, and network configurations.
  
  
  Configuration Review: Review the configuration settings for the service interface. Ensure that all required parameters are set correctly.
  
  
  Check Logs: Look at the application logs (transaction SLG1) or the system logs (transaction SM21) for more detailed error messages that can provide additional context about the failure.
  
  
  Test the Service: Use tools like Postman or the SAP Gateway Client (transaction /IWFND/GW_CLIENT) to test the service interface directly. This can help isolate whether the issue is with the service itself or with the calling application.
  
  
  Consult Documentation: Refer to SAP documentation or community forums for any known issues or patches related to the specific service interface you are working with.
  
  
  Contact SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide patches.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  Documentation: Review the official SAP documentation for the specific service interface or technology you are using, as it may provide insights into common issues and their resolutions.
  
  By following these steps, you should be able to diagnose and resolve the CFD_PROXY_READ003 error effectively.