How To Fix X4_REST_CALL001 - Error creating client using destination &1 subrc &2

SAP Error Message - Details

• Message type: E = Error

• Message class: X4_REST_CALL - Messages of X4 Rest Call Handler

• Message number: 001

• Message text: Error creating client using destination &1 subrc &2

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.

Unfortunately, there isn't any extra information in this error notice.

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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message X4_REST_CALL001 - Error creating client using destination &1 subrc &2 ?

  The SAP error message X4_REST_CALL001 typically indicates an issue when trying to create a client using a specified destination. This error can occur in various scenarios, particularly when working with RESTful services in SAP systems. Below are some common causes, potential solutions, and related information for this error:
  Causes:
  
  
  Incorrect Destination Configuration: The destination specified in the error message may not be configured correctly in the SAP system. This could include incorrect URL, authentication details, or other parameters.
  
  
  Network Issues: There may be network connectivity issues preventing the SAP system from reaching the specified destination.
  
  
  Authorization Issues: The user or service account attempting to make the REST call may not have the necessary authorizations to access the destination.
  
  
  Service Unavailability: The external service that the destination points to may be down or not responding.
  
  
  Incorrect Parameters: The parameters being sent in the REST call may be incorrect or not in the expected format.
  
  
  Subrc Value: The subrc (sub-return code) value in the error message can provide additional context about the specific issue encountered.
  
  
  Solutions:
  
  
  Check Destination Configuration:
  
  Go to transaction SM59 in SAP and verify the configuration of the RFC destination.
  Ensure that the URL, authentication method, and other settings are correct.
  
  
  
  Test Connectivity:
  
  Use the "Test Connection" feature in SM59 to check if the SAP system can reach the destination.
  If there are network issues, work with your network team to resolve them.
  
  
  
  Review Authorizations:
  
  Ensure that the user or service account has the necessary authorizations to access the destination and perform the required actions.
  
  
  
  Check Service Status:
  
  Verify that the external service is up and running. You can do this by trying to access the service directly via a web browser or a tool like Postman.
  
  
  
  Review Parameters:
  
  Check the parameters being sent in the REST call for correctness. Ensure they match the expected format and data types required by the service.
  
  
  
  Analyze Subrc Value:
  
  Investigate the subrc value provided in the error message. Different subrc values can indicate different issues, so refer to SAP documentation or support for specific meanings.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message. You can search for the error message or related keywords in the SAP Support Portal.
  Logs and Traces: Review application logs (transaction SLG1) and traces (transaction ST22 for dumps) for more detailed error information.
  Documentation: Refer to the official SAP documentation for REST services and RFC destinations for best practices and troubleshooting tips.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the context in which it occurs.