How To Fix NAA215 - Message type &1 does not support transmission medium &2

NAA215 - Overview

• Message type: E = Error

• Message class: NAA - Subsequent settlement (Purchasing)

• Message number: 215

• Message text: Message type &1 does not support transmission medium &2

What causes this issue?

During processing of <DS:GLOS.message>messages</>, a message assigned
message type &V1& should be issued via
<DS:GLOS.transmission_medium>transmission medium
</> &V2&. However, this medium is not supported by the message type.

System Response

The system does not process the message.

How to fix this error?

To avoid further messages being created with this medium, you should
make the appropriate settings for message determination in Customizing
for Subsequent Settlement. This affects the message type and the
message condition records.
See the Customizing documentation to find out which transmission media
are supported by a message type.
Messages already created with a transmission medium that is not
supported cannot be processed.
Contact your system administrator.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

NAA215 - Details

• The SAP error message NAA215, which states "Message type &1 does not support transmission medium &2," typically occurs in the context of SAP's messaging and communication framework, particularly when dealing with IDocs (Intermediate Documents) or other message types in the SAP system.
  
  Cause:
  This error indicates that the specified message type (represented by &1) is not configured to be sent using the specified transmission medium (represented by &2). The transmission medium could be various forms of communication, such as EDI, ALE, or other interfaces. The mismatch between the message type and the transmission medium usually arises from one of the following reasons:
  
  
  Configuration Issues: The message type may not be properly configured to support the selected transmission medium in the relevant settings.
  Incorrect Settings: The settings in the partner profile or the message type configuration may not align with the intended transmission medium.
  Missing Entries: There may be missing entries in the configuration tables that