How To Fix /UI2/CORE_FES008 - Failed to send HTTP client data (SM59 destination &1)

/UI2/CORE_FES008 - Overview

• Message type: E = Error

• Message class: /UI2/CORE_FES -

• Message number: 008

• Message text: Failed to send HTTP client data (SM59 destination &1)

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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/UI2/CORE_FES008 - Details

• The SAP error message /UI2/CORE_FES008 Failed to send HTTP client data (SM59 destination &1) typically indicates an issue with the HTTP connection to a specified destination in the SAP system. This error can occur in various scenarios, particularly when using SAP Fiori applications or when trying to connect to external services.
  Causes:
  
  Incorrect SM59 Configuration: The destination specified in the error message may not be configured correctly in transaction SM59. This could include incorrect URL, authentication issues, or missing parameters.
  Network Issues: There may be network connectivity problems between the SAP system and the target destination. This could be due to firewall settings, DNS issues, or other network-related problems.
  Authorization Issues: The user or service account used to connect to the destination may not have the necessary authorizations to perform the required actions.
  Service Unavailability: The external service or system that the SAP system is trying to connect to may be down or unavailable.
  SSL Configuration