How To Fix WS289 - An invalid message occurred (see long text)

WS289 - Overview

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 289

• Message text: An invalid message occurred (see long text)

What causes this issue?

The message type (error, message, etc.) is not allowed.

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?

Please contact SAP. The problem is due to a program error.
The message class is &V1&, the message type &V2&, and the message
number &V3&.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

WS289 - Details

• SAP Error Message:
  WS289 - An invalid message occurred (see long text)
  
  
  Cause:
  The error message WS289 typically occurs in the context of SAP Workflow or ALE (Application Link Enabling) when an invalid or unexpected IDoc (Intermediate Document) message is received or processed. This can happen due to:
  
  The system receiving an IDoc with an incorrect or unknown message type.
  The message type is not defined or not active in the system.
  The IDoc structure does not match the expected format for the message type.
  Incorrect partner profiles or port configurations.
  The workflow or process expecting a certain message but receiving a different or corrupted one.
  
  
  Explanation (Long Text):
  The long text of the message usually states that an invalid message was received and suggests checking the message type and the IDoc data. It may also recommend verifying the partner profiles and the configuration of the message type in the system.
  
  Solution / Troubleshooting Steps:
  
  
  Check the Message Type:
  
  Verify that the message