How To Fix MD408 - &1: &2 (S2)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 408

• Message text: &1: &2 (S2)

What causes this issue?

No valid BOM could be selected for the planned order.

System Response

BOM explosion cannot be executed.
The conversion indicator for the planned order is deleted.
This exception message is set in the MRP list or in the
stock/requirements list.

How to fix this error?

Check the BOM or the BOM alternatives and the selection criteria. For
example, the BOM may no longer be valid.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MD408 - &1: &2 (S2) ?

  The SAP error message MD408 typically relates to issues in the Material Requirements Planning (MRP) process. The message format you provided indicates that it is a warning or error related to the planning of materials, specifically concerning the availability of stock or the planning of production orders.
  Cause:
  The error message MD408 usually indicates that there is a problem with the planning of a specific material. Common causes include:
  
  Insufficient Stock: The system cannot find enough stock to meet the demand for the material.
  Incorrect MRP Parameters: The MRP settings for the material may not be configured correctly, leading to planning issues.
  Missing Master Data: Required master data (like BOM, routing, or material master) may be incomplete or missing.
  Planning File Entries: There may be issues with the planning file entries that prevent the MRP run from processing correctly.
  Lead Time Issues: The lead times defined for procurement or production may not align with the demand.
  
  Solution:
  To resolve the MD408 error, you can take the following steps:
  
  Check Stock Levels: Verify the stock levels of the material in question to ensure that there is enough inventory to meet the demand.
  Review MRP Parameters: Check the MRP parameters for the material in the material master (transaction MM02) to ensure they are set correctly.
  Validate Master Data: Ensure that all necessary master data (BOM, routing, material master) is complete and accurate.
  Run MRP Again: After making any necessary adjustments, run the MRP process again to see if the issue persists.
  Analyze Planning File Entries: Use transaction MD21 to check the planning file entries for the material and ensure they are correct.
  Check Lead Times: Review the lead times for procurement and production to ensure they are realistic and align with the demand.
  
  Related Information:
  
  Transaction Codes: You may use various transaction codes to investigate and resolve the issue, such as:
  
  MD04: Stock/Requirements List
  MD02: MRP Run
  MM02: Change Material Master
  MD21: Planning File Entries
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to the MD408 error.
  Documentation: Refer to SAP documentation for MRP processes to understand how to configure and troubleshoot MRP settings effectively.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or refer to SAP community forums for additional insights.