How To Fix MD409 - &1: &2 (S3)

MD409 - Overview

• Message type: E = Error

• Message class: MD - Material Requirements Planning (MRP)

• Message number: 409

• Message text: &1: &2 (S3)

What causes this issue?

No valid run schedule header could be selected for the planned order
(run schedule quantity) of a material that is planned in repetitive
manufacturing.

System Response

No run schedule header is assigned.
This exception is set in the MRP list.

How to fix this error?

Check the validity of the run schedule headers for material and
production version.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MD409 - &1: &2 (S3) ?

  The SAP error message MD409 typically relates to issues in the Material Requirements Planning (MRP) process, specifically concerning the availability of materials or the planning of production orders. The message format usually indicates that there is a problem with the planning situation for a specific material or component.
  
  Cause:
  The error message MD409 can occur due to several reasons, including:
  
  Insufficient Stock: The system may not have enough stock of the required materials to fulfill the demand.
  Incorrect Planning Parameters: The planning parameters for the material may not be set correctly, leading to incorrect calculations.
  Missing Master Data: Essential master data (like BOM, routing, or material master) may be incomplete or incorrect.
  Planning File Entries: There may be issues with the planning file entries that prevent the system from processing the requirements correctly.
  Production Order Issues: If there are production orders that are not properly set up or released, it can lead to this error.
  
  
  Solution:
  To resolve the