How To Fix GW459 - Communication system error; prepare failed

GW459 - Overview

• Message type: E = Error

• Message class: GW - Message Texts for Gateway

• Message number: 459

• Message text: Communication system error; prepare 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.

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

What else can you do?

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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 GW459 - Communication system error; prepare failed ?

  The SAP error message GW459, which states "Communication system error; prepare failed," typically indicates an issue with the communication between the SAP system and an external system or service. This error can arise in various contexts, such as when using SAP Gateway, OData services, or when integrating with other systems.
  Causes:
  
  Network Issues: Problems with the network connection between the SAP system and the external service can lead to this error.
  Configuration Errors: Incorrect configuration settings in the SAP Gateway or the external system can cause communication failures.
  Service Availability: The external service or system may be down or unavailable, leading to a failure in communication.
  Authorization Issues: Lack of proper authorization for the user or service trying to access the external system can result in this error.
  Data Format Issues: If the data being sent or received does not conform to the expected format, it can lead to preparation failures.
  Timeouts: Long response times from the