How To Fix IDOC_ADAPTER406 - The passed RFC destination '&1' has the wrong type

IDOC_ADAPTER406 - Overview

• Message type: E = Error

• Message class: IDOC_ADAPTER - Messages for the IDoc Adapter

• Message number: 406

• Message text: The passed RFC destination '&1' has the wrong type

What causes this issue?

The transferred RFC destination is not of type <ZK>ABAP</> or
<ZK>internal</>.
You can only load IDoc structure data for RFC destinations of these
types.

System Response

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

How to fix this error?

Check the RFC destination and use another one, if necessary.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

IDOC_ADAPTER406 - Details

• The SAP error message IDOC_ADAPTER406 indicates that there is an issue with the RFC (Remote Function Call) destination being used in the context of IDoc processing. Specifically, the error message states that the passed RFC destination has the wrong type. This typically occurs when the system is trying to use an RFC destination that is not configured correctly for the intended purpose.
  
  Cause:
  
  Incorrect RFC Destination Type: The RFC destination may be configured as a type that is not suitable for the operation being performed. For example, it might be set as a "TCP/IP" connection instead of a "T" (Transactional) connection.
  Misconfiguration: The RFC destination might not be properly set up in the SAP system, leading to the wrong type being used.
  Network Issues: There could be network-related issues that prevent the correct RFC destination from being reached.
  Authorization Issues: The user or system trying to access the RFC destination may not have the necessary