How To Fix D-224 - Type 'O' sessions may only be sent to an internal service system

D-224 - Overview

• Message type: E = Error

• Message class: D- -

• Message number: 224

• Message text: Type 'O' sessions may only be sent to an internal service system

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 D-224 - Type 'O' sessions may only be sent to an internal service system ?

  The SAP error message D-224, which states "Type 'O' sessions may only be sent to an internal service system," typically occurs in the context of SAP's communication and session management, particularly when dealing with external systems or services.
  
  Cause:
  This error generally arises when there is an attempt to send a session of type 'O' (which stands for "Outbound") to a system that is not recognized as an internal service system. In SAP, outbound sessions are meant to be processed by internal systems, and sending them to external systems can lead to inconsistencies or errors in processing.
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Check System Configuration: Ensure that the system you are trying to send the session to is correctly configured as an internal service system. This may involve checking the system's settings in transaction codes like SM59 (RFC destinations) or SICF (HTTP services).
  
  
  Review Session Type: Verify that the session type is