How To Fix X4_REST_CALL009 - Communication Failure while calling X4: &1 and &2

X4_REST_CALL009 - Overview

• Message type: E = Error

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

• Message number: 009

• Message text: Communication Failure while calling X4: &1 and &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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Smart SAP Assistant

• What is the cause and solution for SAP error message X4_REST_CALL009 - Communication Failure while calling X4: &1 and &2 ?

  The SAP error message X4_REST_CALL009 indicates a communication failure when attempting to call a REST service. This error typically occurs in scenarios where SAP is trying to interact with an external system or service via RESTful APIs. The message provides placeholders for the specific service being called, represented by &1 and &2.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the external service.
  Service Unavailability: The external REST service may be down or not reachable.
  Incorrect URL: The URL used to call the REST service may be incorrect or malformed.
  Authentication Issues: If the REST service requires authentication, incorrect credentials or tokens may lead to a failure.
  Firewall Restrictions: Firewalls or security settings may be blocking the communication between SAP and the external service.
  Timeouts: The request may be timing out due to slow response times from the external service.
  Configuration Errors: There may be misconfigurations in the SAP system related to