How To Fix SHTTP048 - Corresponding entry does not exist (external communication)

SAP Error Message - Details

• Message type: E = Error

• Message class: SHTTP - Messages for Development Class SHTTP

• Message number: 048

• Message text: Corresponding entry does not exist (external communication)

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 SHTTP048 - Corresponding entry does not exist (external communication) ?

  The SAP error message SHTTP048, which states "Corresponding entry does not exist (external communication)," typically occurs in the context of SAP's HTTP communication, particularly when dealing with external systems or services. This error indicates that the system is unable to find a corresponding entry for a request being made, which can be due to various reasons.
  Causes:
  
  
  Missing Configuration: The most common cause is that the necessary configuration for the external communication is not set up correctly. This could involve missing entries in the relevant tables or configuration settings.
  
  
  Incorrect URL or Endpoint: If the URL or endpoint being called is incorrect or does not match any existing configuration, this error can occur.
  
  
  Authorization Issues: The user or service account making the request may not have the necessary authorizations to access the external service.
  
  
  Network Issues: There could be network-related issues preventing the SAP system from reaching the external service.
  
  
  Service Unavailability: The external service might be down or not responding, leading to the inability to find a corresponding entry.
  
  
  Solutions:
  
  
  Check Configuration: Verify that the configuration for the external communication is correctly set up. This includes checking the relevant transaction codes (like SOAMANAGER for web services) and ensuring that all necessary entries exist.
  
  
  Validate URLs: Ensure that the URLs or endpoints being used in the communication are correct and accessible. You can test the URL in a web browser or use tools like Postman to check connectivity.
  
  
  Review Authorizations: Check the authorizations of the user or service account making the request. Ensure that it has the necessary permissions to access the external service.
  
  
  Network Troubleshooting: Investigate any potential network issues that might be preventing communication. This could involve checking firewalls, proxies, or other network configurations.
  
  
  Check External Service Status: Ensure that the external service is up and running. If it is down, you may need to wait until it is restored.
  
  
  Review Logs: Check the SAP application logs (transaction SLG1) and HTTP trace logs (transaction SMICM) for more detailed error messages that can provide additional context.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SOAMANAGER (for web service configuration), SMICM (for Internet Communication Manager), and SLG1 (for application logs).
  SAP Notes: Search for SAP Notes related to SHTTP048 for any specific patches or updates that may address known issues.
  Documentation: Review SAP documentation on external communication and web services for best practices and troubleshooting steps.
  
  By following these steps, you should be able to identify the root cause of the SHTTP048 error and implement a solution to resolve it.