How To Fix MN471 - An invalid message occurred (see long text)

MN471 - Overview

• Message type: E = Error

• Message class: MN - Message class for subsequent settlement (Purchasing)

• Message number: 471

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

What causes this issue?

The message type (error, warning, 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?

Contact SAP. A program error has occurred.
The message class is &V1&, the message type is &V2&, and the message
number is &V3&.

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 MN471 - An invalid message occurred (see long text) ?

  The SAP error message MN471 ("An invalid message occurred (see long text)") typically indicates that there is an issue with the message processing in the system, often related to the handling of messages in the context of logistics or inventory management. This error can arise in various scenarios, such as during the processing of goods movements, inventory updates, or other related transactions.
  Possible Causes:
  
  Incorrect Message Type: The system may be trying to process a message type that is not valid or not configured correctly.
  
  Configuration Issues: There may be issues with the configuration of message types in the relevant application area (e.g., MM, WM).
  Data Inconsistencies: There could be inconsistencies in the data being processed, such as missing or incorrect information in the relevant master data or transaction data.
  Authorization Issues: The user may not have the necessary authorizations to process the message.
  System Bugs: There may be bugs or issues in the SAP system