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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message IDOC_ADAPTER406 - The passed RFC destination '&1' has the wrong type ?

  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 authorizations.
  
  Solution:
  
  
  Check RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Locate the RFC destination that is causing the issue (replace &1 with the actual destination name).
  Verify that the destination type is appropriate for the operation (e.g., it should be a "T" type for transactional connections).
  If necessary, change the type to the correct one.
  
  
  
  Test the RFC Connection:
  
  In transaction SM59, select the RFC destination and use the "Connection Test" option to ensure that the connection is working properly.
  If the test fails, investigate the network settings and ensure that the target system is reachable.
  
  
  
  Check Authorizations:
  
  Ensure that the user or system has the necessary authorizations to access the RFC destination.
  Review the roles and profiles assigned to the user.
  
  
  
  Review IDoc Configuration:
  
  Check the IDoc configuration settings to ensure that they are correctly pointing to the right RFC destination.
  Verify that the partner profiles and port settings are correctly configured.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  SM59: RFC Destination Configuration
  WE02: IDoc Monitoring
  WE20: Partner Profile Configuration
  
  
  Documentation: Review SAP documentation related to IDoc processing and RFC destinations for more detailed information on configuration and troubleshooting.
  SAP Community: Consider checking the SAP Community forums for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify and resolve the issue related to the IDOC_ADAPTER406 error message.