How To Fix SDX403 - Error in port definition; see the long text

SDX403 - Overview

• Message type: E = Error

• Message class: SDX - Mass Data Transfer Workbench Using BAPIs

• Message number: 403

• Message text: Error in port definition; see the long text

What causes this issue?

In the file port definition &v1&, you have to use the function module
'DX_EDI_PATH_CREATE' to determine the outbound file.
This is the only way to ensure that the outbound IDocs are passed from
the SAP system to the file <(><<)>file name>.dxo when a file with data
is created, and then transformed to inbound IDocs in the file <(>
<<)>file name>.

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?

Change the port definition using transaction <DS:TRAN.WE21>WE21</>.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

SDX403 - Details

• The SAP error message SDX403, which indicates "Error in port definition; see the long text," typically arises in the context of SAP's IDoc (Intermediate Document) processing or when dealing with communication between different systems, such as when using ALE (Application Link Enabling) or EDI (Electronic Data Interchange).
  
  Cause:
  The error usually occurs due to one of the following reasons:
  
  Incorrect Port Configuration: The port defined for the communication might not be set up correctly. This could involve incorrect parameters or missing configurations.
  Missing Logical System: The logical system associated with the port may not be defined or may not match the expected configuration.
  Transport Layer Issues: There may be issues with the transport layer settings, such as incorrect RFC destinations or communication settings.
  IDoc Type Issues: The IDoc type being used may not be correctly associated with the port or may not be defined in the system.
  
  
  Solution:
  To resolve the SDX403 error, you can follow these steps:
  
  
  Check